Ethical Theory and Moral Practice

, Volume 15, Issue 4, pp 521–531 | Cite as

Reasons for Action and Psychological Capacities

Article

Abstract

Most moral philosophers agree that if a moral agent is incapable of performing some act ф because of a physical incapacity, then they do not have a reason to ф. Most also claim that if an agent is incapable of ф-ing due to a psychological incapacity, brought about by, for example, an obsession or phobia, then this does not preclude them from having a reason to ф. This is because the ‘ought implies can’ principle is usually interpreted as a claim about physical, rather than psychological, capacities. In this paper I argue for an opposing view: if we don’t have reasons to do things that we are physically incapable of doing, then neither do we have reasons to do things we are psychologically incapable of doing. I also argue that extending the ‘ought implies can’ principle to psychological capacities makes the principle more attractive.

Keywords

Reasons for action Capacities Ought implies can Korsgaard Pettit Smith 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Section of Philosophy and Ethics, School of Innovation Sciences, Eindhoven University of TechnologyTechnische Universiteit EindhovenEindhovenNetherlands

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