4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
8209 | Part of the folk concept of qualia is what makes recognition and comparison possible [Lewis] |
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |