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Concept
Intention
Summary
Intentions are mental states in which the agent commits themselves to a course of action. Having the plan to visit the zoo tomorrow is an example of an intention. The action plan is the content of the intention while the commitment is the attitude towards this content. Other mental states can have action plans as their content, as when one admires a plan, but differ from intentions since they do not involve a practical commitment to realizing this plan. Successful intentions bring about the intended course of action while unsuccessful intentions fail to do so. Intentions, like many other mental states, have intentionality: they represent possible states of affairs.
Theories of intention try to capture the characteristic features of intentions. The belief-desire theory is the traditionally dominant approach. According to a simple version of it, having an intention is nothing but having a desire to perform a certain action and a belief that one will perform this action. Belief-desire theories are frequently criticized based on the fact that neither beliefs nor desires involve a practical commitment to performing an action, which is often illustrated in various counterexamples. The evaluation theory tries to overcome this problem by explaining intentions in terms of unconditional evaluations. That is to say that intentions do not just present the intended course of action as good in some respect, as is the case for desires, but as good all things considered. This approach has problems in explaining cases of akrasia, i.e. that agents do not always intend what they see as the best course of action. A closely related theory identifies intentions not with unconditional evaluations but with predominant desires. It states that intending to do something consists in desiring it the most. Opponents of this approach have articulated various counterexamples with the goal of showing that intentions do not always coincide with the agent's strongest desire. A different approach to the theories mentioned so far is due to Elizabeth Anscombe and denies the distinction between intentions and actions.
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