4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
16045 | General facts supervene on particular facts, but cannot be inferred from them [Russell, by Bennett,K] |
14327 | Trope theorists cannot explain how tropes resemble each other [Russell, by Mumford] |
20948 | Human cultures are organisms which grow, and then fade and die [Spengler, by Bowie] |