3 ideas
9355 | One sort of circularity presupposes a premise, the other presupposes a rule being used [Braithwaite, by Devitt] |
4298 | All items of possible human knowledge are interconnected, and can be reached by inference [Descartes] |
9463 | Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette] |