4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
4442 | Most thinkers now reject self-predication (whiteness is NOT white) so there is no Third Man problem [Armstrong] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
9807 | In pursuing truth, anything less certain than mathematics is a waste of time [Descartes] |