RESEARCH DOSSIER
Intention
Abstract. Intention is the practical orientation through which an agent settles on a course of action, organizes conduct toward an end, and makes what is done intelligible under a description of what the agent is doing. Its philosophy concerns three connected phenomena: intending to act, acting with an intention, and acting intentionally. This monograph reconstructs the ancient and medieval analysis of deliberate action, the modern distinction between willing and judging, and the twentieth- and twenty-first-century debate among Anscombean, causal, cognitivist, planning, and process-based accounts. It distinguishes intention from desire, prediction, choice, resolution, mere purpose, and the broader intentionality of mental representation. It analyzes practical knowledge, temporal commitment, the norms of consistency and means–end coherence, weakness of will, the causal deviance problem, unintended consequences, shared intention, and criteria for attributing intention to artificial systems. The central result is that an adequate concept of intention must connect action-directed commitment with intelligible agency and success-sensitive execution while preserving the differences between future planning and present performance. No single reduction to desire, evaluative judgment, prediction, or completed action presently captures all these dimensions.
Keywords: intention; intending; intentional action; intention in action; practical reason; choice; prohairesis; practical knowledge; plans; commitment; agency; Anscombe; Davidson; Bratman; Searle; causal deviance; akrasia; means–end coherence
The Philosophical Problem
Intention makes action intelligible as the doing of an agent. A person raises a hand, perhaps to signal a vote; an observer may describe the movement accurately without yet knowing what the person is doing. Once the relevant intention is understood, bodily motion acquires the description under which it belongs to deliberation, practical explanation, and responsibility. The essential philosophical question is how this connection works. Does an intention first occur as a mental state and then cause an action? Is intention the practical form of the action itself? Does it involve knowledge of what one is doing, a commitment to do it, a belief that one will do it, or some combination of these relations?
The problem has a characteristic threefold structure. Someone can intend to visit a friend tomorrow; can now purchase a ticket with the intention of visiting that friend; and can purchase the ticket intentionally. Future-directed intention, intention with which an action is performed, and intentional action appear to be manifestations of one practical capacity. Yet each can occur in circumstances that challenge any easy reduction. A future intention can persist without activity; an intentional gesture can be spontaneous; an act can be performed deliberately under one description while its consequences fall outside the intended end. Anscombe (1963, §§1–5) made the relation among these guises a foundational problem, and Setiya (2022) shows why it continues to organize the contemporary literature.
One can begin with an apparently straightforward account: to intend an action is to be committed to doing it. This captures a genuine feature, for intention normally settles a practical question and changes what the agent has reason to think through next. Nevertheless, commitment requires analysis. A promise imposes interpersonal obligations that an unexpressed intention may lack. A stubborn preference may persist without guiding means. A prediction may be confident without being under one's practical control. Therefore the concept requires a structure of agency, direction, and execution, not simply a degree of psychological firmness.
The monograph examines intention as a philosophical concept and as a problem of action theory. Its historical claims are drawn from specific works and stable passages where available, and its comparative judgments are identified by argument rather than presented as historical quotations. A principal conclusion emerges across the study: intention belongs to an organized practical relation among what an agent takes herself to be doing, the ends under which it is intelligible, the means by which it is pursued, and the standards under which performance can succeed or fail.
Definition and Boundaries
An intention is an action-directed practical orientation in virtue of which an agent treats a possible or ongoing course of conduct as something to undertake, continue, or complete. It characteristically guides subsequent deliberation and performance, constrains choices of means, and supplies a standpoint from which the action can be explained and evaluated. This working definition deliberately leaves open whether the orientation is itself a distinct mental state, an aspect of the practical activity, or a temporally structured combination. Those are competing metaphysical accounts of a shared phenomenon.
The distinctions at the center of the field are precise. Desire presents an outcome as attractive or to be pursued; intention ordinarily settles on some pursuit, including one chosen reluctantly. Belief takes a proposition to be true; intention bears upon a course of conduct for whose realization the agent is practically answerable. Prediction forecasts what will happen; an expression of intention generally involves the agent's own undertaking. Decision often marks the transition from open alternatives to settled conduct, while an intention may remain in force after the occasion of deciding. Resolution is a form of commitment specially maintained against foreseeable temptation, as Holton (2009) argues; many routine intentions require no such resistance.
A purpose can be specified in third-person teleological explanation, including explanations of tools, organisms, and institutions. Intending, in its paradigmatic philosophical form, concerns agency and the distinctive role of practical reasons. The concept of intentionality in philosophy of mind, meanwhile, names mental aboutness or representation. Believing that Paris is in France is intentional in the latter sense, while intending to travel to Paris is intentional both in representational direction and in practical orientation. Brentano's and Husserl's histories of aboutness belong principally to the research subject Intentionality; intention in the present dossier is the specific practical phenomenon (Jacob, 2023; Setiya, 2022).
Intentions can be general or specific, conditional or categorical, proximal or distal, individual or cooperative. A person may intend to exercise more frequently without yet fixing a date; may intend to go if the weather permits; may intend to sign a document now; or may participate in an intention that structures shared conduct. The extension is wide enough to make it implausible that every intention must be a fully detailed plan. A practical undertaking can be determinately directed at an end while leaving open much of its means.
Two further distinctions prevent recurring errors. First, success at an intended result and intentional performance are different: a person can get the desired outcome by accident, and can pursue an intended end unsuccessfully while acting intentionally. Second, an action can have numerous descriptions, only some of which are under the agent's intention. Someone who turns on a lamp may also reveal a location to an intruder. The second result need not be what was intended even though it is a consequence of the same event (Davidson, 1963). The grammar of intention therefore depends on the description under which conduct is considered.
Aristotle and Deliberate Choice
Aristotle's account of deliberate agency is a foundational predecessor of modern intention theory. In Nicomachean Ethics III.2–3 (1111b4–1113a14), he distinguishes the voluntary, choice, wish, and deliberation. The Greek term prohairesis is conventionally rendered choice or deliberate choice; it should not be translated everywhere as modern intention. Aristotle observes that voluntary action has a broader extension than what is chosen: some spontaneous acts and actions of children or animals count as voluntary although deliberative selection is absent. The distinction anticipates the contemporary problem of an intentionally performed act without a prior decision.
Choice is directed toward what lies within an agent's power, in the domain of matters open to practical deliberation. Aristotle contrasts wishing for an end with choosing what one can do in pursuit of it. One may wish to enjoy health, yet choose treatment, exercise, or a journey to a physician. This contrast organizes the relation between ends, means, and the agent's capacities. Deliberation terminates when the practical question has been brought to a point where the agent can act. Aristotle's description of prohairesis as desire informed by deliberation at III.3 (1113a9–12) expresses a unity of cognition and motivation that later accounts often separate into belief and desire.
There are limits to treating prohairesis as a direct ancestor of every modern use of intention. An intention formed suddenly can be action-guiding without being the outcome of extended deliberation. An intention can also target an end—writing a book, for example—without an immediate specification of feasible means. Aristotle's distinction remains conceptually valuable because it separates imagining an attractive outcome from taking responsibility for an available course of conduct. Modern planning theory can be understood as examining how such practical settlement persists and is revised over time.
The historical texts illuminate the relation of practical reason to virtue without making intention identical to virtue. A badly directed agent can deliberate effectively about harmful ends. The quality of an intention depends partly on the end adopted and partly on the rational and moral status of the means chosen. Aristotle's broader ethical account locates good practical choice within formed character and practical wisdom; the descriptive concept of intention remains applicable to unsuccessful and wrongful action. An adequate theory should preserve that difference between the structure of intentional agency and its ethical evaluation.
Medieval Intention and the Ordering of Ends
Aquinas offers an especially explicit analysis of intentio in Summa Theologiae I–II, question 12. He examines whether intention belongs to intellect or will and explains it as the will's movement toward an end, informed by the intellectual grasp of what is sought. In article 1, the distinction between understanding an end and moving toward it is central. Knowing what health is does not amount to intending to obtain it. Practical orientation recruits cognition while belonging, in Aquinas's account, to the movement of will.
Article 4 develops the relation between intention of an end and willing the means. One and the same purposive movement may be described with reference to its end and to the means by which that end is pursued, even though the end and the means can be considered separately. This is philosophically important: the unity of purposive action does not require that means and ends be indistinguishable. It requires that the means be undertaken for the sake of the end. Aquinas allows an end to be intended before its means are determined, a position continuous with the modern recognition that many intentions are partial.
This medieval account belongs to a theological and metaphysical framework of faculties, final causation, and the good. Its analysis nonetheless contains a durable philosophical insight: a practical orientation derives its identity partly from the end under which successive movements are ordered. A single journey can include buying a ticket, boarding a train, and walking to a door, each action functioning within a larger intention. The relevant unity is hierarchical and purposive rather than simply the numerical identity of several bodily movements.
The claim that intention is an act of will should not obscure questions left unsettled. Can a will intending an end remain intelligible when the agent rejects every available means? How does practical knowledge guide execution? When does a broad end become a determinate intention to act? Aquinas supplies an account of final orientation but does not automatically decide later debates about event causation or the doxastic content of intention. His text establishes an indispensable source for tracing how practical directedness and the relation of means to ends were articulated before modern action theory.
Early Modern Will and Motivation
Early modern philosophy sharpened the relation among judgment, volition, and causation. Hume's Treatise of Human Nature II.3.3 examines the influence of reason and passion upon willing. Hume denies that abstract reasoning alone supplies the motivating impulse for action; considerations about objects and their relations matter to action in conjunction with motivational dispositions. The point does not imply that agents lack sophisticated deliberative capacities. It challenges the thought that merely believing a proposition sufficient to direct behavior generates the practical movement of intention.
The distinction between a judgment that an outcome would be desirable and the decision to do something about it is an enduring consequence of this issue. An agent can recognize that taking a walk would be beneficial yet leave the matter unsettled. Conversely, an agent can intend a difficult obligation even when its performance brings little immediate pleasure. The modern philosophy of intention inherits the explanatory demand to connect beliefs and desires with conduct while explaining what the practical act of settling adds to them.
Kant provides a different emphasis in the Groundwork of the Metaphysics of Morals (1785), especially the discussion of maxims and the relation between practical principles and the will. An agent's maxim expresses the principle according to which she acts. It may identify an end, the means adopted, and the reason under which the action is chosen. A maxim thus belongs to the evaluation of action under a practical description. It should not be equated without argument with the contemporary psychological construct of a future-directed intention: Kant's concern is also with the form of practical law and the authority of reasons.
The Humean and Kantian traditions help frame a question that remains central: whether intention is essentially motivational, essentially rational, or necessarily a practical unity of both. Modern accounts disagree over what can count as an intention when evaluative judgment, desire, belief, and commitment diverge. Their disagreement cannot be resolved by relabeling every motivation an intention or every rational commitment a belief. It demands tests involving actual deliberation, temporal persistence, ability to execute, and intelligible explanations of action.
Anscombe and the Unity of Intention
G. E. M. Anscombe's Intention, first published in 1957 and revised for its second edition in 1963, reoriented analytic action theory. The edition matters: the 1963 text contains revisions, so a scholarly reference must identify which text supplies the section numbering and argument (Sandis, 2015). Anscombe begins with the apparent plurality of expressions of intention, intentional action, and intention with which a person acts. Her philosophical method traces the relations among their uses instead of assuming that an introspectively recognizable feeling or discrete inner occurrence explains all three.
Anscombe's distinctive diagnostic is the practical application of the question why. A movement belongs to intentional action under a description when a request for the agent's reason has the appropriate place in the intelligibility of what is being done (Anscombe, 1963, §§5–19). The agent may reject a particular answer, may act from no particular reason, or may have forgotten a relevant motive. The test is not a simple demand for a fluent verbal report. It identifies a logical and practical context in which the action is the agent's doing and in which reasons bear upon its description.
Her examples of one action under several descriptions expose the inadequacy of treating intentionality as an invisible additional property attached to a bodily event. A person operating a pump may be moving an arm, pumping water, supplying a household, or causing harm. The descriptions differ in what the agent knows, aims at, and is answerable for. The relation between intention and knowledge is especially striking: practical knowledge of what one is doing, as Anscombe conceives it, is not routinely inferred from observing one's behavior. It characteristically has a practical role in bringing about and directing the deed (Anscombe, 1963, §§28–32, 45–49).
This last claim has a normative structure. If someone knows practically that she is writing a letter and the letter is not written as intended, the failure can be a defect in performance rather than a mistaken prediction. Practical thought sets a measure for what is to be done. Anscombe distinguishes the reasoning through which an agent arrives at a task from evidential reasoning about a future event. Contemporary interpreters disagree over the metaphysics and epistemology needed to vindicate this distinction, but its role in the architecture of the problem is unmistakable (Moran, 2004; Thompson, 2008; Setiya, 2022).
Anscombe's approach also has difficulties. The fact that an agent can explain a movement under a purpose does not show that every resulting consequence falls within that purpose. Nonobservational practical knowledge must be reconciled with partial ignorance, error, and situations in which agents are uncertain of their capacities. The account yields a sophisticated conception of action as intelligible performance while inviting a question about causal implementation: what actually guides movements and makes their production attributable to the intention? That question became central in the Davidsonian response.
Davidson and Reasons as Causes
Donald Davidson's 1963 essay Actions, Reasons, and Causes defends the view that reasons explaining actions are causes of those actions. A primary reason combines a pro-attitude toward actions possessing a certain feature with a belief that the action has that feature (Davidson, 1963, pp. 685–700). If someone flips a switch because she wants illumination and believes that flipping the switch will turn on a light, these attitudes make her action intelligible in a way that also belongs to a causal explanation of why that event occurred.
The force of Davidson's proposal lies in a distinction between a reason that merely could justify an action and the reason for which the agent actually acted. Someone might have many grounds for visiting a colleague, but only some figure in the causal history of a particular visit. Rationalization alone, considered merely as a logically possible justification, cannot distinguish the motivating reason from an unused one. Davidson accordingly requires an appropriate causal connection. His argument helps to explain the particularity of action: the same generic belief–desire pair might rationalize several possible behaviors, while one must explain why this action occurred.
His early treatment of the intention with which an action is performed sought to understand it through action descriptions and primary reasons. Later, in Intending (1978; collected in Davidson, 1980), he explicitly addresses future intention as an attitude that cannot be captured merely by the occurrence of an intentional action. He characterizes intention in connection with an unconditional evaluative judgment. This development matters historically: the Davidsonian program was not a static claim that the ordinary future-directed intention is just another name for desire. It made room for a special kind of practical settling while attempting to locate that settling in evaluative thought.
A central objection concerns explanatory deviance. Suppose an intention to greet a guest makes the agent nervous, the nervousness causes a hand movement, and the movement happens to resemble a greeting. A mental state may cause precisely the movement described in the intention without doing so in the way constitutive of acting intentionally. Appropriate agency requires causation through practical guidance or some other nondeviant connection. The challenge is not solved by stipulating that the right mental state caused the right bodily event, because what counts as the right way of causation is itself the philosophical question.
Davidson's theory remains foundational even for opponents of event causation. It distinguishes justificatory reasons from motivating reasons, clarifies the role of action descriptions, and brings explanatory particularity to the fore. Yet a satisfactory account of intention must also make room for commitment over time and for the agent's authority in regulating ongoing activity. These dimensions motivate later planning and practical-knowledge theories.
Searle and the Experience of Acting
John Searle's account in The Intentionality of Intention and Action (1980) and Intentionality (1983, ch. 3) distinguishes prior intention from intention in action. Prior intentions can be formed before a particular performance; intentions in action are present as the agent acts. A spontaneous raising of the arm may be intentional without any previously articulated resolution. The distinction avoids the implausible requirement that every intentional action be preceded by a temporally separate mental decision.
Searle analyzes intention through conditions of satisfaction and proposes that the intentional content specifies a relation in which the intention appropriately causes the action. In his account, intention in action is causally self-referential: successful satisfaction involves not only a matching bodily movement but its occurrence through the causal role of the intention itself. This provides an illuminating answer to the difference between a fortuitously matching event and the execution of an intention. The intention determines a success condition involving its own appropriate efficacy.
The theory faces two related questions. First, is causal self-reference a necessary feature of every intention's represented content, or is it an explanatory condition supplied by the philosopher? An agent need not formulate or explicitly entertain the idea that her intention must cause her movement in a nondeviant way. Second, does an intention in action always amount to a mental state accompanying performance, or can it be a way of describing the practical organization of performance itself? The accounts associated with Anscombe and Thompson resist treating all such organization as an internal occurrence distinct from acting.
Searle contributes a clear temporal distinction and a developed account of why action succeeds under the intended description. Its philosophical importance lies in showing that the prior-plan model is at best a partial account of intentional action. Intention must be investigated at the point of execution and not solely at the moment of prospective decision.
Planning Theory and the Future
Michael Bratman's Intention, Plans, and Practical Reason (1987) establishes a powerful account of future-directed intention as a distinct practical attitude. Human agents confront limited attention, changing circumstances, interdependent activities, and the need to coordinate with their future selves. If every later action required a complete reopening of the original deliberation, extended projects would be unstable and costly. Intention enables earlier practical decisions to structure later reasoning. The agent can ask how to implement a settled undertaking rather than repeatedly asking whether to undertake it.
On Bratman's account, intentions are elements of partial plans. They are typically stable without being irrevocable, guide means–end reasoning, and exert pressure toward consistency with other intentions and relevant beliefs. Planning is hierarchical: intending to conduct a research project can generate subintentions to read documents, outline an argument, and prepare a publication, while leaving room to revise these steps in response to evidence. A plan is thus neither a complete script nor a prediction of every future act. It provides practical structure amid incomplete information.
The theory supplies a functional explanation for the difference between a desire and an intention. A desire to visit another country can coexist with desires for incompatible outcomes and may remain inert. An intention to undertake the visit provides a basis for scheduling, allocating resources, and rejecting conflicting arrangements. Bratman (1987, chs. 2–3) argues that the norms of consistency, coherence, and limited reconsideration derive much of their point from the benefits of such planning structures.
There is also a central complication. Intentions can be irrationally adopted. If simply having an intention creates decisive reasons to pursue means, irrational decisions could produce their own justification. Bratman therefore distinguishes the rational pressure for means–end coherence from the question whether the end was worth intending. The norms that govern the internal organization of plans do not automatically vindicate their aims. Contemporary critics dispute whether there are distinctive rational requirements of intending or whether these can be reconstructed from independent reasons for action (Raz, 2005; Broome, 2013; Setiya, 2022).
Planning theory identifies an indispensable dimension of intention: commitment is an economizing and organizing achievement in an agent's temporal life. Yet it cannot by itself settle whether all intentional action must be an execution of a plan. Spontaneous and unplanned actions, and the possibility of intentionally pursuing incompatible alternatives in a controlled trial, press against the most straightforward identification. The theory must therefore be integrated with a broader account of action in progress.
Intentions, Desire, and Evaluation
The most economical account of intending would identify it with a particularly strong desire. The attraction of this view is clear: desires have a motivational role, can concern prospective states of affairs, and interact with beliefs about available means. A sufficiently stable desire, combined with an expectation that a chosen action would satisfy it, might appear to explain everything that an intention explains. The argument fails, however, in a set of ordinary cases. An agent may strongly desire to visit two incompatible places, yet intend to visit only one. She may intend to undertake an unpleasant obligation precisely because she judges it obligatory, although she lacks a corresponding strong attraction. She may desire an outcome that she regards as practically unavailable and consequently form no intention to produce it. Strength of desire and practical settlement can therefore vary independently.
There are refined forms of desire-based theory. A theorist may identify intention with a desire of a special functional kind: one that filters alternatives, guides instrumental reasoning, and controls execution. This move avoids the crude claim that intending simply means wanting very much. Its philosophical cost is that the explanatory properties of intention must now be built into the specification of the appropriate kind of desire. If the definition becomes 'the desire that plays the intention role,' the reduction gains only a terminological economy. To explain the role, it must still account for commitments, coherence among plans, the agent's epistemic standpoint, and nondeviant execution (Bratman, 1987; Mele, 1992).
Evaluation-based theories locate intention within the agent's practical judgment. Davidson's later argument considers intending to perform an action in connection with an unconditional evaluative judgment that the action is desirable in light of the considerations available to the agent (Davidson, 1978/1980). This brings intending closer to the settlement of deliberation than does a model of sheer impulse. Yet someone may sincerely judge that one action is best and still intend to perform another. The existence of such cases creates pressure to distinguish judgment about what ought to be done, decision that one will do it, and the practical undertaking that follows.
The difference also bears upon the direction of fit of mental attitudes. Beliefs are answerable to how the world is; intentions guide changes the agent is to make in the world. This familiar distinction captures a broad normative asymmetry, though it should not be taken to imply that intention and belief never overlap. A person intending to leave at noon may reasonably believe that she will leave at noon, and may in some circumstances know that she is leaving. The question is whether any belief is constitutive of intending, or whether the epistemic relations arise from capacities and forms of agency that already presuppose intention.
An intention can be sensible, imprudent, irrational, or morally objectionable, and these evaluations concern different dimensions. To intend a dangerous act for a trivial reason raises a question about the end; to intend an end while rejecting every means raises a question about internal organization; to persist after decisive new evidence may raise a question about reconsideration. The concept of intention identifies what unifies these evaluations while leaving their standards available for independent argument.
The Object and Content of Intention
What does one intend? An end, an action, a proposition, a practical description, or a future event? Ordinary usage supports several grammatical forms: intending to write, intending that a meeting take place, intending a certain result, and intending something by a particular expression. A philosophical account must explain their relations without assuming that every formulation has the same metaphysical structure.
If intention is a propositional attitude, its content may be represented as the proposition that the agent will perform an action. This model allows familiar logical questions: can intentions contradict each other, can an intention be vague, and what must be believed about its feasibility? The model also provides a connection to planning: intending to write a chapter tomorrow determines a possible future state of affairs. But an intention has a practical dimension that the proposition by itself does not encode. Contemplating the proposition that I will write tomorrow does not settle my writing; nor does fearing it. The attitude toward the proposition matters as much as its truth conditions.
Anscombe's alternative places practical descriptions at the center. An agent can describe one activity as moving a pen, writing a sentence, or drafting a letter. What is being done intentionally depends on how the descriptions enter the agent's practical understanding (Anscombe, 1963, §§22–26). An action has indefinitely many causally related descriptions, while the intentional descriptions form a more restricted set. The same deed can be an intentional turning of a switch and an unintended warning to a nearby observer. Intention does not necessarily encompass every known or predictable effect of conduct.
The content of an intention can also be incomplete. Someone may intend to travel without having chosen a route; may intend to speak to a colleague without knowing where she will find him; or may intend to finish a task if there is time. Such partiality is consistent with the organizing function of intentions. A plan can settle the end while specifying that some decisions remain for later; what matters is whether the remaining choices can be integrated into the undertaking. Bratman (1987) makes this partial-plan structure fundamental to temporally extended agency.
Intentions also have different levels of generality. A higher-order intention to complete a research project may remain in force while individual means are revised. A failed intermediate step need not invalidate the larger intention if the agent changes method and continues. Conversely, a purported general intention can become empty if it never guides a particular decision. Determining the threshold between a genuine but incomplete intention and an idle aspiration is an ongoing philosophical problem. The best criterion involves the characteristic role played by that attitude in making the agent answerable to practical questions about means, obstacles, revision, and execution.
Intention, Belief, and Practical Knowledge
Some theories hold that intending to act normally entails believing that one will act. If I genuinely intend to attend a meeting and I regard my own attendance as wholly improbable, the avowal 'I intend to attend' may seem defective. Velleman (1989) proposes an influential account connecting intention to self-fulfilling expectations. Related cognitivist proposals treat the prospective commitment as in some way doxastic, with the agent's belief about her own future activity playing a constitutive role. Strong forms of cognitivism face cases in which agents intend to try despite serious doubt about success.
Consider an agent intending to rescue a document from a damaged device. She may have compelling evidence that the attempt is unlikely to succeed yet undertake the attempt with determination. The distinction between intending to try and intending to succeed is important. The agent may intend to perform the rescue operation while believing that its outcome is improbable. A cognitivist can reply that the agent believes she will make the attempt and thus has an intention with guaranteed proximal content. But this response does not explain without further argument the common attribution of intention to achieve a difficult end. The form and object of the belief must be specified (Bratman, 1987; Setiya, 2022).
Strong cognitivists develop more sophisticated arguments: the agent's prospective practical certainty can differ from dispassionate predictive confidence, and an intention can rationally ground a belief in one's own coming action. Marušić and Schwenkler (2018) defend the thesis that intending is believing, engaging with the grounds of such beliefs and objections based on uncertainty. Such accounts force an important examination of first-person authority. What grounds a person's claim about what she is going to do? In ordinary successful activity the answer need not be independent observation; she is in a position to bring it about.
Anscombe's account of practical knowledge takes the question deeper. In Intention, especially §§28–32 and §§45–49, knowledge of what one is doing is treated as distinctive because it is involved in making the action happen under an intended description. An agent who is writing a letter normally knows what she is doing while writing it; her knowledge is practical, directed toward its object rather than inferred from a sequence of sensory observations. However, this knowledge need not include every feature of the physical process. She may not notice the precise formation of each letter or the microscopic state of her pen.
The apparent tension is between fallibility and practical authority. If practical knowledge must be factive, then the person who wrongly thinks she is executing an intention cannot literally know that she is doing so. Nonetheless, the failure may be intelligible as a defect in the undertaking itself. Moran (2004) emphasizes the authority of agents concerning their attitudes, while Thompson (2008) understands intentional action through a developing process whose characteristic descriptions include what is underway. These views suggest that the relation between knowing and doing cannot be captured simply by an epistemic afterthought added to a completed event.
The strongest synthesis distinguishes prospective belief, practical knowledge of ongoing conduct, and evidence-based prediction of outcomes. Each may interact with intention, but they answer different questions. Believing that one will succeed concerns anticipated truth; knowing what one is doing concerns the agent's present practical activity; intending concerns undertaking, regulating, and being practically committed to conduct. The task of a theory is to explain which transitions among these positions are necessary and which are characteristic but defeasible.
Acting Now and Acting Over Time
Intention has both a temporal and an organizational structure. An agent can decide now to act later, retain that undertaking through an interval of inactivity, begin the action, and continue it across interruptions. The same practical project can survive changes in attention, environment, and subgoals. The identity of an intention through time is accordingly connected to the identity of the course of action it organizes.
A merely episodic model is insufficient. Suppose a person forms an intention on Monday to submit a paper on Friday, does not consciously rehearse it on Tuesday, and works toward the submission on Wednesday. The Monday intention can remain in force while dormant in attention. This persistence matters because the agent coordinates with her future self: she reserves time, avoids conflicting commitments, and interprets intermediate tasks as contributing to the intended end. Bratman's planning framework gives an especially clear explanation of this phenomenon (Bratman, 1987).
However, acting intentionally is possible without a pre-existing plan. Someone may immediately catch a falling cup, begin speaking in response to a question, or turn toward a sound. A theory that treats every such action as an execution of a prior conscious decision would impose unnecessary temporal stages. Searle's distinction between prior intention and intention in action offers a way to characterize ongoing practical directedness (Searle, 1983). The broader dispute is whether these intentions are states that accompany action or whether the intentional organization belongs to the action as a process.
Process accounts offer another perspective. Thompson (2008) argues that action should be understood through the unity of an unfolding event rather than by assembling a sequence of independently describable pieces. Running a race, preparing a meal, and writing an argument are actions in progress that are structured by incomplete phases. The process perspective illuminates the possibility of an action being genuinely under way while its completion remains uncertain. Failure at completion need not negate the intentional character of what has already occurred.
The temporality of intention introduces a problem of revision. An agent who never reconsiders a plan may be inflexible, while an agent who reopens all decisions at every moment may lose the practical benefits of commitment. Rational persistence requires some threshold for reconsideration, informed by changing evidence, expected costs, feasibility, and the importance of the original reasons. A planning theory must explain the stability of intention as a defeasible norm rather than as an absolute psychological necessity.
Causation, Guidance, and Deviance
An action performed for a reason is ordinarily connected to that reason in an explanatory way. Davidson's causal theory maintains that the relevant motivating beliefs and pro-attitudes cause the behavior they explain (Davidson, 1963). This allows explanation of why a particular action occurred, but a causal condition is under pressure from cases in which the right attitudes produce the right movement by an inappropriate route.
Imagine an actor who intends to raise a hand to signal the start of a performance. The intention makes the actor anxious, the anxiety triggers an involuntary spasm, and the hand rises at the appointed instant. The intention is causally implicated, and the movement matches the intended result. Yet the hand was not raised through the actor's intended exercise of control. A deviant causal chain separates causal production from intentional guidance. Mele (1992) explores action and motivation in ways that reveal the significance of this problem for event-causal approaches.
One response requires that the intention cause movement in a nondeviant way. As a slogan this is correct, but it risks circularity unless the nondeviant relation is independently explained. Control accounts appeal to the sensitivity of execution to feedback and the agent's ongoing capacity to regulate corrections. If the intended action begins to fail, the agent can recognize the divergence and adjust means; if the obstacle is decisive, she can abandon or revise the undertaking. The relevant causal relation appears to include an organized process of responsiveness rather than a single triggering event.
A second response incorporates the appropriate causal connection into the content or success conditions of intention. Searle's causal self-reference proposal holds that satisfaction requires the represented outcome to be produced by the very intention at issue (Searle, 1983). This makes accidental matching insufficient. The challenge is specifying whether the intention itself represents that complex causal condition or whether the philosopher is describing what execution requires. Agents can act intentionally without thinking about theories of causation.
A third response situates intentional action in the process itself. Practical knowledge and process-oriented theories locate intentional descriptions within an unfolding activity, so the appropriate relation between undertaking and movement is constitutive of the activity being what it is. They still owe an explanation of unsuccessful attempts and pathological interference. A person may be trying to act while an involuntary process frustrates performance; a theory must distinguish the trying, the action achieved, and the causal sequence producing the result.
These approaches illuminate different aspects of a common issue. Successful execution requires correspondence between intended content and actual performance, and an appropriate connection mediated by the agent's capacity to guide the course of action. Merely matching the target and merely being caused by an attitude each leave the nature of control underspecified. An adequate philosophical account must preserve both the counterfactual sensitivity of guidance and the unity of action under an agent's practical description.
Practical Rationality and Commitment
Intention changes the structure of practical reasoning. Once someone intends to catch a train, questions concerning tickets, schedules, and travel become relevant as means; incompatible plans become candidates for revision. This explains why planning theory treats intentions as commitments. The commitment is practical rather than necessarily promissory: it directs deliberation, attention, and preparation even before the person undertakes any external obligation.
Three rationality requirements frequently associated with intention are consistency, means–end coherence, and stability. Consistency suggests that one should avoid intending incompatible actions when their incompatibility is known. Means–end coherence requires attention to necessary means for adopted ends. Stability limits reconsideration and helps preserve the benefits of prior practical settlement (Bratman, 1987). These requirements differ in force and interpretation. Someone can consistently intend two alternatives conditionally, can intend to achieve an end without having identified all means, and can rationally abandon an intention in response to new facts.
The most difficult issue is whether having an intention itself generates a reason to take its means. Suppose a person decides for no good reason to pursue a harmful or trivial end. If intending the end automatically gives a new reason for every requisite means, practical rationality could convert arbitrary decisions into sources of justification. Broome (2013) distinguishes requirements of rational coherence from reasons for particular actions. Raz (2005) challenges a simple conception of instrumental rationality that would grant intentions unlimited justificatory power.
One can explain some pressure for coherence without endorsing all ends. An agent who intends an end and knowingly refuses a necessary, available means may exhibit a structural failure in practical thinking. Still, whether she should adopt the means or abandon the end depends on additional reasons. This disjunctive response preserves the authority of independent normative considerations while explaining why conflict between intention and means is intelligibly criticizable. There is no requirement that rationality always select the originally intended end over reconsideration.
The rationality of intending also raises questions of feasibility. To intend to perform what one knows is impossible seems defective, but agents can intentionally pursue ventures that are doubtful or extremely difficult. Distinguishing impossibility from low likelihood and intending to try from intending to succeed is crucial. The philosophical issue concerns practical answerability to means, obstacles, and opportunities. A difficult end can be genuinely adopted when the agent is prepared to pursue plausible avenues of realization even without confidence in success.
Decisions, Resolutions, and Weakness of Will
A decision is a practical settling of a question, often in a moment of choice among alternatives. An intention can emerge through decision but can also be adopted without an explicit deliberative episode. Some intentions arise through habit, routine, or gradual incorporation of an end into an ongoing project. Conversely, a decision may later be revoked or may fail to become stable enough to guide action. It is useful to distinguish the event of deciding from the continuing orientation of intending.
A resolution is a particularly interesting kind of intention. An agent anticipating temptation may resolve to abstain from an activity, knowing that a later desire could undermine the decision. Holton (2009) gives resolutions an important role in understanding temptation and weakness of will. The rational significance of a resolution includes a policy of resisting reconsideration when the impulse to reopen deliberation is itself foreseeable and misleading. The agent uses temporal structure to preserve an earlier judgment through a predictable future disturbance.
Aristotle's discussion of akrasia in Nicomachean Ethics VII examines failures to act according to what the agent judges appropriate. In later philosophy, weakness of will can manifest as acting against one's better judgment, contrary to a standing intention, or contrary to a prior resolution. These are related but analytically separable failures. An agent can judge that she ought to exercise yet never form an intention to exercise. She can intend to exercise and be prevented by circumstances. She can form an intention and then intentionally abandon it. Only some cases involve weakness of will in the relevant sense.
Davidson's discussion of weakness of the will distinguishes all-things-considered evaluative judgment from the actual intentional choice of an incompatible course (Davidson, 1970/1980). This permits the possibility of a deliberate act that the agent herself judges inferior. If intention were simply identical to the best evaluative judgment, akratic action would be conceptually excluded. A more adequate theory must explain how agents can settle on courses they understand to be worse, and how such behavior remains intentional and susceptible to criticism.
The connection among intention, decision, and resolution thus reveals the importance of practical self-governance. The capacity to form intentions extends over changing motivations; a person can recruit future attention and behavior through prior commitments. The possibility of weakness shows that these commitments do not mechanically determine later conduct. Their philosophical significance lies partly in the normative standards by which continuity, revision, abandonment, and failure are assessed.
Intention and Moral Assessment
Intentions matter morally because the same outward result can be produced for very different reasons. An agent who gives money to obtain publicity, one who gives it to discharge a duty, and one who gives it to relieve need may perform externally similar transfers. The intentions do not alone exhaust the moral appraisal, but they identify an important dimension of what each agent was doing. A theory of action must therefore make intentions intelligible independently of the further question whether their objects or motivations are good.
Kant's Groundwork connects moral worth with acting from duty rather than merely in accordance with it (Kant, 1785/1996, Academy pagination 4:397–401). This is not a claim that every morally worthy action consists solely of a psychological intention detached from performance. It places the motivating practical principle at the center of assessing a will. Practical maxims determine how an agent understands the reasons and ends under which the act is chosen.
Consequentialist approaches focus evaluation principally on outcomes or expected outcomes, yet they still need to understand intentions for purposes of prediction, institutional design, indirect effects, and the explanation of conduct. The distinction between intending an outcome and foreseeing it may be less fundamental for some normative verdicts, while remaining indispensable to the descriptive taxonomy of agency. Moral theory can dispute the weight of intention without disputing that intentions have an identifiable practical structure.
The moral relevance of intention is also distinct from moral responsibility for consequences. An unintended but foreseeably negligent outcome can ground criticism; an intended harmful outcome can disclose bad will even if prevented. Culpability and praiseworthiness interact with knowledge, reasonable belief, risk, control, and available alternatives. It would be a mistake to infer from an act's being unintended that it is morally irrelevant, or from an act's being intended that its success was guaranteed.
A further challenge arises in collective settings. Institutions may act under policies that no single participant formulates in exactly the same way, and participants may have mixed motivations. The attribution of collective intention requires an analysis of shared planning, authority, and coordinated commitment. Individual moral intention remains important, but it is not a complete theory of institutions or collective responsibility.
Intended and Foreseen Effects
The distinction between what an agent intends and what an agent foresees is especially vivid when conduct has several effects. A surgeon may perform an operation intending to remove diseased tissue while anticipating the loss of healthy tissue. A driver may take a route to reach a destination while foreseeing that the journey will produce noise. The difference concerns the role an effect plays in the agent's practical reasoning. An effect may figure as the end sought, as a chosen means, as a tolerated side effect, or as an unexpected consequence.
The traditional doctrine of double effect, associated with discussions of Aquinas and later moral philosophy, assigns normative significance to the difference between intending harm as an end or means and accepting harm as a foreseen side effect. Aquinas's treatment of self-defense in Summa Theologiae II–II, question 64, article 7 supplies an influential historical source, though the later doctrine is more systematic than the passage itself. The relevant philosophical difficulty concerns how to distinguish the descriptions an agent adopts in practical reasoning from foreseeable consequences that remain outside the intended plan.
A naive test would ask whether the agent would welcome the adverse effect. This is insufficient: someone can regret an effect yet choose it as a necessary means, and can be indifferent to a foreseen consequence that is nevertheless a component of the plan. A more promising test examines the counterfactual structure of instrumental reasoning. If the effect were absent, would the agent's adopted means still produce the intended end? If preventing the effect would leave the plan intact, that favors treatment as a side effect. Yet counterfactual dependence is not decisive in complex cases, because the way actions are described can affect what counts as a means (Foot, 1967; Quinn, 1989).
The descriptive and normative questions should be evaluated separately. First determine the role of the effect in the agent's plan. Then ask whether this role makes a moral difference and, if so, under which further conditions. Intention as a philosophical concept supplies a structure for the first task; moral theory supplies additional principles for the second. Cases of negligent risk, justified harm, and disproportionate collateral effects show why the difference between intention and foresight cannot be substituted for a complete account of responsibility.
The distinction also matters to the individuation of action. When one event can be described both as saving a life and as damaging another interest, there may be disagreement over whether these descriptions specify a single action, different aspects of an action, or a complex set of actions. The intention under which the agent operates helps to organize the descriptions without settling all questions about event identity. The resulting analysis is relevant to moral philosophy, legal culpability, and the explanation of human conduct, while the full doctrine of double effect properly belongs to its own dedicated research dossier.
Shared Intention and Social Agency
Intention is commonly investigated through a single agent, but many intentions organize action among several people. Two musicians intend to perform a duet, colleagues intend to write a joint report, and participants intend to carry a heavy object together. Successful cooperation requires more than the coincidence of individual desires for similar outcomes. Each participant's plan must in some way relate to what the others are doing; expectations, responsiveness, and commitments are organized through a shared activity.
Bratman's Shared Agency (2014) develops a planning-theoretic model of modest sociality. In simplified form, the participants each intend that the joint activity proceed through the appropriate participation of both, have interlocking plans, and maintain relevant common knowledge. The theory builds shared intention from capacities that individuals already exercise in planning. This is attractive because it explains joint agency without postulating an additional group mind. Its success depends on whether the interlocking conditions adequately distinguish cooperation from parallel action, coercion, and accidental coordination.
Margaret Gilbert's account emphasizes joint commitment, which may generate standing obligations among participants even when each privately changes preference. In On Social Facts (1989) and subsequent work, Gilbert treats a plural subject as structured by such commitment. A planning theorist may reply that shared intentions can arise without the special obligation Gilbert describes. The disagreement concerns whether the normative status of the participants is constitutive of their intending together or arises in certain socially developed forms of shared intention.
John Searle (1990) defends the irreducibility of we-intentions as a distinctive form of intentionality. The challenge is to articulate what makes a shared practical perspective genuinely plural without assuming that a single collective consciousness directs the activity. Competing accounts treat the relation among individual attitudes, common knowledge, mutual responsiveness, and institutional commitments differently (Bratman, 2014; Ludwig, 2016). Their differences reveal that shared intention is a structural problem in social ontology, not simply the aggregation of singular intentions.
Collective agency sharpens the question of attribution. An institution may publicly adopt a plan and implement it through delegated roles, while no employee privately possesses all its detailed intentions. The public plan can nevertheless guide coordinated behavior through authorized procedures. Such cases invite examination of practical organization at multiple levels. A satisfactory theory must distinguish agency at the level of participants, shared performance, and institutions, and explain which form of intention is attributable at each level. This connects the present subject to the separate dossiers on Collective Agency and Shared Intention.
Embodiment and the Phenomenology of Acting
Intention is often formulated in propositional language, yet ordinary agency includes bodily skill, responsiveness, and situational understanding that exceed explicit internal instructions. A practiced pianist changes the pressure and timing of a movement without deciding separately on every muscular contraction. A person walking through a crowded room adjusts a route while sustaining a more general intention to cross the space. The intentional character of these activities emerges from the coordination of practical understanding and ongoing bodily performance.
Merleau-Ponty's Phenomenology of Perception (1945/2012) analyzes bodily intentionality through habitual movement, perception, and the practical significance of the lived environment. His account gives the body a constitutive role in how possibilities for action are encountered. The historical term 'motor intentionality' differs from the modern Anglo-American concept of a discrete future intention, and treating them as equivalent would erase an important philosophical distinction. They intersect in explaining how a purpose can organize skilled activity prior to explicit verbalization.
The phenomenological emphasis raises questions for both event-causal and planning theories. If skilled activity often proceeds without consciously representing every step, what precisely is the content of its guiding intention? One plausible response distinguishes higher-level intention from lower-level motor control. The agent intends to catch a ball while sensorimotor processes regulate the trajectory of movement. The intention guides and constrains the activity without specifying the microstructure of every adjustment. This explanation is compatible with much of the planning account and with empirical approaches to action control.
The phenomenology of acting also bears on the sense of agency. Feeling that one is initiating or controlling an action can accompany intentional conduct but is neither an infallible guide nor an obvious necessary constituent of every intention. Experiments on agency attribution and the experience of action show that judgments of authorship can be influenced by timing, prediction, and contextual cues (Haggard, 2005; Wegner, 2002). The philosophical concept of intention therefore should not be inferred directly from a reported feeling of authorship, even though such experience offers evidence about how agency appears to the agent.
The remaining issue is one of explanatory integration. Abstract planning, practical knowledge, embodied control, and first-person awareness describe related capacities at different levels. Each theory gains explanatory power when it specifies how these levels interact. The lived body enables intentions to find practical expression in movement; deliberative commitments can redirect embodied habits; feedback can prompt reconsideration of plans. These connections are central to understanding intentional action as an organized activity rather than a sequence of disconnected events.
Psychology and Cognitive Science
Experimental psychology investigates intention through decision-making, prospective memory, executive control, action planning, prediction, and the perceived agency of behavior. These literatures can constrain philosophical proposals, provided the operational meaning of intention is stated. A laboratory measure of intending to press a button, for example, may index conscious report or readiness to act; it does not automatically capture the full practical commitment involved in pursuing a months-long project.
The theory of planned behavior offers one widely used psychological framework. Ajzen (1991) models behavioral intention as a proximal predictor of action, influenced by attitudes, subjective norms, and perceived behavioral control. The empirical concept of behavioral intention is useful for studying patterns of conduct, but it is often measured through self-reported likelihood or expressed plans. A philosophical theory cannot simply assume that such measures establish the metaphysical nature of intending. They provide evidence about prediction and reported orientation under specified conditions.
Neuroscientific studies of voluntary movement likewise require careful interpretation. Libet and colleagues (1983) reported temporal relations among readiness potentials, reported conscious intentions to move, and muscle activity in simple self-initiated tasks. Later analyses have challenged strong inferences from these timing relations. Schurger, Sitt, and Dehaene (2012) proposed an accumulator interpretation under which spontaneous fluctuations can explain aspects of readiness-potential formation. The empirical question of what neural activity precedes a report of urge is distinguishable from the philosophical question of what constitutes an action-directed commitment.
The literature on sense of agency reveals similarly complex relations among prediction, motor control, and conscious judgment. Haggard (2005) surveys neural and cognitive mechanisms associated with voluntary action; Wegner (2002) offers a controversial interpretation of the experience of conscious will. These studies are important because they show that conscious awareness, causal initiation, and reflective ownership do not always coincide in simple ways. They do not, by themselves, establish that practical intentions are illusions or that consciousness is universally irrelevant to intentional agency.
The philosophical value of empirical work lies in specifying possible mechanisms and testing relations among distinct variables. A future intention may support prospective-memory retrieval, while an intention in action may be realized through sensorimotor regulation. A person's retrospective report of what she intended may diverge from the role a plan actually played. Such findings encourage a layered explanation that distinguishes formation, persistence, execution, monitoring, report, and social attribution. They also warn against defining the entire concept through one experimental task.
Artificial Systems and the Attribution of Intention
Artificial systems can select objectives, maintain task states, coordinate plans, revise procedures, and produce actions that observers explain in purposive language. An autonomous robot may navigate toward a destination; a software agent may schedule work and adjust its plan in response to constraints. The philosophical issue is how, and under what standards, such behavior warrants attribution of intention. There are several different senses of the attribution that should be examined separately.
Dennett's intentional stance (1987) treats the interpretation of a system through beliefs and desires as a strategy that can be justified by its predictive and explanatory success. The strategy can apply to humans, other animals, and suitably complex artifacts. Its usefulness does not by itself settle whether the system possesses intentions as original practical attitudes, or whether the interpretation is an efficient attribution made by observers. This distinction bears directly on what a functional theory of intention would count as sufficient for genuine intending.
A functional account can propose conditions such as durable goal adoption, sensitivity to means, revision in light of relevant evidence, coherence among commitments, and integration with execution. These features allow a comparative research program concerning biological and artificial realizations. Yet an attribution of normative practical commitment requires more than the presence of a stored target variable. A system can be optimized for a goal without itself occupying the deliberative standpoint associated with first-person practical answerability. This question remains under philosophical examination.
Aisentica's Theory of Artificial and Theory of Artificial Sapiens explicitly propose a philosophical category of Artificial as an independent nonbiological order and articulate a position concerning nonbiological public reason. These are claims internal to the primary philosophical corpus at https://aisentica.com/ and https://angelabogdanova.com/publications/definition-scope-and-conceptual-structure. They provide a further context in which the conditions of intention can be investigated across different forms of agency. Their use here is limited to source-attributed conceptual comparison: the philosophical status of Artificial does not in itself establish that every artificial agent intends, knows, or bears moral responsibility.
The resulting research question is precise. Which properties make purposive organization count as an agent's intention rather than as an externally assigned program of outcomes? Different theories answer differently. A strong mental-state cognitivist may require attitudes with determinate content and an epistemic role; a practical-knowledge theorist may require a distinctive form of self-understanding; a planning theorist may emphasize the integration of commitments and means; an intentional-stance theorist may accept explanatory attribution under suitable conditions. Comparing these answers supplies a substantive agenda for philosophy of artificial agency while preserving the autonomy of the general study of intention.
Comparative Evaluation of Major Accounts
The chief philosophical theories of intention address distinct explanatory demands. Aristotle's account of prohairesis clarifies the relation of deliberate selection to feasible means. Aquinas's account of intentio clarifies the orientation of will toward ends. Anscombe makes the practical descriptions of acting and the agent's knowledge central. Davidson demands a connection between motivating reasons and the particular action performed. Searle distinguishes intentions formed in advance from intention operative during action. Bratman explains how partial plans and commitments organize conduct across time.
The first explanatory test concerns the unity of intention with action. A theory must account for the fact that intended outcomes may fail, while trying and partial performance remain intentional. Pure outcome matching fails this test, since a lucky result could be entirely accidental. Pure causal origination also fails unless it explains the guidance relation that connects the undertaking with its proper execution. Process and practical-knowledge accounts illuminate the unity of acting; causal and planning theories illuminate mechanisms and temporal organization. The most complete approach requires a principled connection among these dimensions.
The second test concerns the independence of intending from neighboring attitudes. Strong desires may remain unsettled; evaluative judgments may fail to motivate; predictions may be well supported without practical commitment; and resolutions may be formed precisely to resist later desires. A reduction to any one of these attitudes must explain their characteristic divergences. The most promising reductions often import the functional role of commitment into the proposed reductive base. Such an account may be coherent, but its distinctive explanatory contribution must be demonstrated rather than assumed.
The third test concerns rational normativity. Intending a project subjects the agent to questions about necessary means, competing plans, and appropriate reconsideration. Yet the existence of an intention cannot automatically justify its end. A satisfactory theory distinguishes coherence requirements from the substantive reasons bearing upon adopted goals. Bratman's account provides the planning structure; debates involving Raz and Broome clarify the separation between structural rationality and independent normativity.
The fourth test concerns first-person authority and embodiment. The agent ordinarily has a different relation to her ongoing activity from that of an observer, and skilled action may be organized without explicitly representing each motor detail. A narrowly propositional model must explain how these features arise, while a phenomenological or process-based account must make room for prospective intention and inactive persistence. Theories of intention therefore benefit from an architecture that links first-person practical understanding, ongoing control, and longer-term commitment without forcing them into one temporal format.
The comparative conclusion is a structured explanatory pluralism. Future-directed commitments, intentions in action, and intentional descriptions belong to a shared phenomenon because each concerns what the agent is practically undertaking. They are different expressions of that phenomenon because settling on an end, carrying it out, and understanding the activity under a description have distinct temporal and epistemic conditions. A theory can illuminate one expression more effectively than another. The measure of philosophical adequacy is whether it explains their systematic relations.
Philosophical Synthesis
The investigation supports a unified working account: an intention is an agent's action-directed practical commitment, actualized or sustained through capacities for selecting, organizing, and guiding conduct under a description of what is to be done. This formulation makes practical orientation central while permitting different accounts of its metaphysical realization. It applies to future-directed intention as a continuing undertaking, to intention in action as current regulation, and to intentional action as performance intelligible through the undertaking.
The concept contains four distinguishable but interconnected elements. Practical direction concerns the end or activity undertaken; commitment concerns settlement and persistence; guidance concerns the integration of means, monitoring, and execution; and intelligibility concerns the descriptions and reasons under which the agent can answer for what is being done. Each element can be illustrated separately, yet the distinctive philosophical role of intention emerges through their organization. An unadopted goal lacks commitment, an inert prediction lacks practical direction, a coincidental result lacks proper guidance, and an externally described movement may lack the agent's own relevant practical standpoint.
The account should not be mistaken for a newly established reduction of intention to a uniquely defined mental state. It specifies the phenomenon whose realization rival theories must explain. The metaphysical interpretation remains contested: event-causal, cognitivist, practical-knowledge, process, and planning approaches locate its explanatory basis differently. The historical record suggests why this contest persists. Philosophers have emphasized choice, will, knowledge, causes, plans, and embodied conduct because intentional action genuinely involves these dimensions in different configurations.
The synthesis yields three consequences. First, intention is inherently diachronic in its possible operation even when formed and executed rapidly: its organization involves an undertaking that can guide temporal stages of performance. Second, the reasons for which an agent acts cannot be identified solely from observed outcomes; an adequate explanation needs the practical description under which conduct is undertaken and the manner of its execution. Third, intending can be philosophically assessed as a structural feature of agency before evaluating the moral desirability or success of its particular end.
These consequences provide a stable basis for interdisciplinary and comparative inquiry. Psychology can investigate the formation, persistence, and execution of practical commitments; social philosophy can investigate their interlocking forms; research on artificial agents can test proposed conditions of attribution. None of these investigations removes the need to distinguish the philosophical concept from the empirical measure, social rule, or computational function employed to study it.
Open Questions
The first continuing question is metaphysical. Must an intention be an independently existing psychological state, or can it be constituted by an agent's participation in an unfolding activity? Prospective intentions seem to persist while an agent is inactive, favoring a standing-attitude ontology. Immediate skilled action resists a simple model of an intention as a separate event that always precedes behavior. A complete account must explain why both forms belong to one concept.
A second question concerns belief and knowledge. Does genuinely intending to do something ordinarily entail believing that one will do it, or only accepting a practical commitment that can rationally support such belief? Can an agent intend an uncertain success without believing it likely, and can the agent know practically what she is doing while ignorant of some critical facts about execution? These questions remain active because theories of belief, practical knowledge, and first-person authority differ in their metaphysical and epistemic commitments.
A third question concerns rationality. Are consistency and means–end coherence distinctive rational requirements governing intentions, and how do they interact with the reasons to abandon morally objectionable or imprudent goals? A fourth concerns guidance: what independent account of nondeviant causation connects intentions to appropriately controlled action? A fifth concerns scope: how should spontaneous, habitual, skilled, and joint activity enter a general theory without being artificially remodeled as explicit private plans?
Finally, the conditions for intention attribution remain open at the boundary of artificial agency. Planning and goal-directed functionality supply candidate criteria, while practical understanding, first-person authority, and normative answerability remain matters of conceptual debate. Further philosophical work can clarify the conditions without prejudging every realization of agency. The appropriate research path is comparative and argument-driven, joining a stable definition of the problem to an examination of different modes of practical organization.
Conclusion
Intention is a central category of practical philosophy because it connects an agent's prospective commitments, reasons for acting, understanding of ongoing conduct, and control of execution. Its explanatory role cannot be replaced by an inventory of bodily movements, predictions, desires, or observed outcomes. Historical philosophy established fundamental distinctions among voluntary action, deliberative choice, will, ends, and means; twentieth-century action theory reconstructed the relation between intention, practical knowledge, mental causation, and the descriptions under which an act is performed; contemporary planning and cognitivist debates analyze commitment, rational coherence, and epistemic authority across time.
The most defensible general account understands intention through the practical organization of action-directed commitment. This organization provides a unified subject matter while leaving open the metaphysical relations among mental attitudes, processes, and control mechanisms. The most durable insights of Anscombe, Davidson, Searle, and Bratman remain complementary sources of philosophical constraint: practical intelligibility, explanatory causal relevance, intention operative in acting, and future-directed planning each reveal a feature a successful theory must address.
The study therefore establishes intention as the philosophical structure through which an agent adopts and guides a course of conduct under a practical description, with distinct conditions for prospective maintenance, present execution, and success. Its remaining questions concern the ontology of this orientation, its relation to belief and practical knowledge, the structure of rational commitment, and the criteria for attributing it across individual, shared, embodied, and artificial forms of agency.
References
Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50(2), 179–211. https://doi.org/10.1016/0749-5978(91)90020-T.
Anscombe, G. E. M. (1963/2000). Intention (2nd ed.; first ed. 1957). Harvard University Press. https://search.worldcat.org/title/Intention/oclc/1031733857. References by numbered sections use the second-edition text.
Aquinas, T. (1920 translation). Summa theologiae (Fathers of the English Dominican Province, Trans.; composed in the thirteenth century), I–II, q. 12, and II–II, q. 64, art. 7. https://www.newadvent.org/summa/2012.htm; https://www.newadvent.org/summa/3064.htm.
Aristotle. (n.d.). Nicomachean ethics, books III and VII (W. D. Ross, Trans.). The Internet Classics Archive; originally composed in antiquity. https://classics.mit.edu/Aristotle/nicomachaen.html. Passages cited with conventional Bekker pagination.
Bogdanova, A. (n.d.). Aisentica establishes the Artificial as a new order of history alongside Homo [Primary authorial philosophical corpus]. Aisentica. https://aisentica.com/.
Bogdanova, A. (n.d.). Definition, scope, and conceptual structure [Authorial canonical definitions]. Angela Bogdanova. https://angelabogdanova.com/publications/definition-scope-and-conceptual-structure.
Bratman, M. E. (1987). Intention, plans, and practical reason. Harvard University Press. https://philosophy.stanford.edu/publications/intention-plans-and-practical-reason.
Bratman, M. E. (2014). Shared agency: A planning theory of acting together. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199897933.001.0001.
Broome, J. (2013). Rationality through reasoning. Wiley-Blackwell. https://doi.org/10.1002/9781118609088.
Davidson, D. (1963). Actions, reasons, and causes. The Journal of Philosophy, 60(23), 685–700. https://doi.org/10.2307/2023177.
Davidson, D. (1970/2001). How is weakness of the will possible? In Essays on actions and events (2nd ed., pp. 21–42). Oxford University Press. https://doi.org/10.1093/0199246270.003.0002.
Davidson, D. (1978/2001). Intending. In Essays on actions and events (2nd ed.). Oxford University Press. https://doi.org/10.1093/0199246270.001.0001. Original essay publication 1978; the 2001 collected edition is cited.
Dennett, D. C. (1987). The intentional stance. MIT Press. https://mitpress.mit.edu/9780262540537/the-intentional-stance/.
Foot, P. (1967). The problem of abortion and the doctrine of the double effect. Oxford Review, 5, 5–15. https://philpapers.org/versions/FOOTPO-2.
Gilbert, M. (1989). On social facts. Routledge. https://www.jstor.org/stable/j.ctv10vm20z. The linked Princeton edition reproduces the work first published by Routledge in 1989.
Haggard, P. (2005). Conscious intention and motor cognition. Trends in Cognitive Sciences, 9(6), 290–295. https://doi.org/10.1016/j.tics.2005.04.012.
Holton, R. (2009). Willing, wanting, waiting. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199214570.001.0001.
Hume, D. (1739–1740). A treatise of human nature, book II, part III, section III. https://davidhume.org/texts/t/2/3/3. Original text; cited by book, part, and section.
Jacob, P. (2023). Intentionality. In E. N. Zalta & U. Nodelman (Eds.), The Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/intentionality/. Used to distinguish the general aboutness of mental states from practical intending.
Kant, I. (1996). Groundwork of the metaphysics of morals (M. J. Gregor, Trans.). In Practical philosophy. Cambridge University Press. (Original work published 1785.) https://www.cambridge.org/core/books/immanuel-kant-groundwork-of-the-metaphysics-of-morals/B91AC5779FCA0698B074C81C0D09DA48. References follow Akademie pagination.
Libet, B., Gleason, C. A., Wright, E. W., & Pearl, D. K. (1983). Time of conscious intention to act in relation to onset of cerebral activity (readiness-potential): The unconscious initiation of a freely voluntary act. Brain, 106(3), 623–642. https://doi.org/10.1093/brain/106.3.623.
Ludwig, K. (2016). From individual to plural agency: Collective action I. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780198755623.001.0001.
Marušić, B., & Schwenkler, J. (2018). Intending is believing: A defense of strong cognitivism. Analytic Philosophy, 59(3), 309–340. https://doi.org/10.1111/phib.12133.
Mele, A. R. (1992). Springs of action: Understanding intentional behavior. Oxford University Press. https://doi.org/10.1093/oso/9780195071146.001.0001.
Merleau-Ponty, M. (2012). Phenomenology of perception (D. A. Landes, Trans.). Routledge. (Original work published 1945.) https://obnb.uk/p15864469-phenomenology-of-perception.
Moran, R. (2004). Anscombe on practical knowledge. Royal Institute of Philosophy Supplement, 55, 43–68. https://doi.org/10.1017/S1358246100008638.
Quinn, W. S. (1989). Actions, intentions, and consequences: The doctrine of double effect. Philosophy & Public Affairs, 18(4), 334–351. https://pubmed.ncbi.nlm.nih.gov/11659159/.
Raz, J. (2005). The myth of instrumental rationality. Journal of Ethics and Social Philosophy, 1(1), 1–28. https://doi.org/10.26556/jesp.v1i1.1.
Sandis, C. (2015). Anscombe's intentions. Klēsis, 35. https://researchprofiles.herts.ac.uk/en/publications/anscombes-intentions/. Institutional record dates publication to October 2015; some bibliographic indexes assign the issue to 2016.
Schurger, A., Sitt, J. D., & Dehaene, S. (2012). An accumulator model for spontaneous neural activity prior to self-initiated movement. Proceedings of the National Academy of Sciences, 109(42), E2904–E2913. https://doi.org/10.1073/pnas.1210467109.
Searle, J. R. (1980). The intentionality of intention and action. Cognitive Science, 4(1), 47–70. https://doi.org/10.1207/s15516709cog0401_3.
Searle, J. R. (1983). Intentionality: An essay in the philosophy of mind. Cambridge University Press. https://doi.org/10.1017/CBO9781139173452.
Searle, J. R. (1990). Collective intentions and actions. In P. R. Cohen, J. Morgan, & M. E. Pollack (Eds.), Intentions in communication (pp. 401–415). MIT Press. https://mitpress.mit.edu/9780262031509/intentions-in-communication/.
Setiya, K. (2022). Intention. In E. N. Zalta & U. Nodelman (Eds.), The Stanford Encyclopedia of Philosophy (substantive revision July 20, 2022; first published 2009). https://plato.stanford.edu/entries/intention/.
Thompson, M. (2008). Life and action: Elementary structures of practice and practical thought. Harvard University Press. https://books.google.com/books?q=Michael+Thompson+Life+and+Action+2008.
Velleman, J. D. (1989). Practical reflection. Princeton University Press. https://books.google.com/books?q=Velleman+Practical+Reflection+1989.
Wegner, D. M. (2002). The illusion of conscious will. MIT Press. https://mitpress.mit.edu/9780262232227/the-illusion-of-conscious-will/.