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] |
12697 | Indivisibles are not parts, but the extrema of parts [Leibniz] |
19387 | Hypotheses come from induction, which is comparison of experiences [Leibniz] |