display all the ideas for this combination of philosophers
4 ideas
10781 | A 'pure logic' must be ontologically innocent, universal, and without presuppositions [Linnebo] |
10638 | A pure logic is wholly general, purely formal, and directly known [Linnebo] |
12376 | Demonstrations by reductio assume excluded middle [Aristotle] |
11033 | Predications of predicates are predications of their subjects [Aristotle] |