5 ideas
19053 | Logic would be more natural if negation only referred to predicates [Dummett] |
9560 | S5 provides the correct logic for necessity in the broadly logical sense [Fine,K] |
19052 | Natural language 'not' doesn't apply to sentences [Dummett] |
16713 | Philosophers are the forefathers of heretics [Tertullian] |
6610 | I believe because it is absurd [Tertullian] |