4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
12251 | Substantial forms are not understood, and explain nothing [Descartes] |
1422 | God's existence is either necessary or impossible, and no one has shown that the concept of God is contradictory [Malcolm] |
16772 | An angelic mind would not experience pain, even when connected to a human body [Descartes, by Pasnau] |