5 ideas
6409 | The 'simple theory of types' distinguishes levels among properties [Ramsey, by Grayling] |
18810 | Aristotle's proofs give understanding, so it can't be otherwise, so consequence is necessary [Smiley, by Rumfitt] |
3212 | Beliefs are maps by which we steer [Ramsey] |
2614 | Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |