3 ideas
8460 | Philosophers have given precise senses to deduction, probability, computability etc [Quine/Ullian] |
18948 | There is an object for every set of properties (some of which exist, and others don't) [Parsons,T, by Sawyer] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |