In this systematic study, Professor Achinstein analyzes such concepts as definitions, theories, and models, and contrasts his view with currently held positions that he finds inadequate.

What is the relation between a reason and an action when the reason explains the action by giving the agent's reason for doing what he did? We may call such explanations rationalizations, and say that the reason rationalizes the action. In this paper I want to defend the ancient - and common-sense - position that rationalization is a species of ordinary causal explanation. The defense no doubt requires some redeployment, but not more or less complete abandonment of the position, as (...) urged by many recent writers. (shrink)

That a science of human conduct is possible, that what any man may do even in moments of the most sober and careful reflection can be understood and explained, has seemed to many a philosopher to cast doubt upon our common view that any human action can ever be said to be truly free. This book, first published in 1961, into crucially important issues that are often ignored in the familiar arguments for and against the possibility of free action. These (...) issues are brought to light and examined in some detail. (shrink)