4 ideas
19389 | Truth is a characteristic of possible thoughts [Leibniz] |
19388 | True and false seem to pertain to thoughts, yet unthought propositions seem to be true or false [Leibniz] |
10247 | We have no adequate logic at the moment, so mathematicians must create one [Veblen] |
6017 | Nomos is king [Pindar] |