4 ideas
9463 | Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette] |
22329 | Logic is highly general truths abstracted from reality [Russell, by Glock] |
5960 | When the soul is intelligent and harmonious, it is part of god and derives from god [Plutarch] |
21569 | It is good to generalise truths as much as possible [Russell] |