Problems in philosophy often appear to be wholly distinct from those of either empirical science or pure logic, for they are generally found to be insoluble by any observational or deductive procedure. Thus has arisen the widespread yet oft-disputed belief that they are not in themselves genuine problems at all, but are really symptoms of an underlying linguistic confusion, and therefore can be eliminated by unearthing the nature and sources of this confusion. In Philosophy and Psycho-analysis Professor Wisdom brings together some of his writings of the past twenty years in which he has made distinctive contributions towards clarifying this issue. The more technical articles early in the book are over-condensed and difficult to follow, but others (especially the extensive final chapter) are