According to George Berkeley (1685-1753), there is fundamentally nothing in the world but minds and their ideas. Ideas are understood as pure phenomenal 'feels' which are momentarily had by a single perceiver, then vanish. Surprisingly, Berkeley tries to sell this idealistic philosophical system as a defense of common-sense and an aid to science. However, both common-sense and Newtonian science take the perceived world to be highly structured in a way that Berkeley's system does not appear to allow. Kenneth L. Pearce argues that Berkeley's solution to this problem lies in his innovative...

Idealism is the view that reality is fundamentally mental. Idealism has been influential historically, but it has been neglected in contemporary metaphysical debate. This volume of 17 essays by leading philosophers rectifies the situation.