4 ideas
19053 | Logic would be more natural if negation only referred to predicates [Dummett] |
19052 | Natural language 'not' doesn't apply to sentences [Dummett] |
8754 | Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro] |
5845 | Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon] |