4 ideas
9548 | A mathematical object exists if there is no contradiction in its definition [Waterfield] |
14644 | If my conception of pain derives from me, it is a contradiction to speak of another's pain [Malcolm] |
1422 | God's existence is either necessary or impossible, and no one has shown that the concept of God is contradictory [Malcolm] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |