4 ideas
16728 | Logicians acknowledge too few things, while others acknowledge too many [Fitzralph] |
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] |
2594 | A true cause must involve a necessary connection between cause and effect [Malebranche] |