4 ideas
17751 | Gödel proved the completeness of first order predicate logic in 1930 [Gödel, by Walicki] |
4442 | Most thinkers now reject self-predication (whiteness is NOT white) so there is no Third Man problem [Armstrong] |
16597 | Quantity is the capacity to be divided [Digby] |
16731 | Colours arise from the rarity, density and mixture of matter [Digby] |