Akrasia

Book VII asks how someone who judges correctly can act otherwise. It reports a Socratic account connecting error with ignorance, then investigates the difficulty raised by observed conduct.

The issue requires more than a label for poor self-control. An account must specify what the person knows or believes during action and how appetite affects the response to a particular object.

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Possessing knowledge differs from exercising it. Repeating a principle does not establish its effective application; examples involving sleep, intoxication and recitation distinguish these conditions.

Aristotle also separates universal and particular premises. Action concerns an object here and now, so retaining a general judgement need not ensure that the relevant particular judgement is active.

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The incontinent person differs from someone who endorses indulgence: similar pleasures can be pursued with different judgements and choices. Resisting an improper appetite also differs from having no such appetite.

These are distinctions within classical ethical analysis, not clinical diagnoses. An observed outcome alone does not reveal the person’s complete judgement or psychological process.

References: [1]