4 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
9466 | Nominalists like substitutional quantification to avoid the metaphysics of objects [Jacquette] |
9465 | Substitutional universal quantification retains truth for substitution of terms of the same type [Jacquette] |