display all the ideas for this combination of texts
4 ideas
21400 | Stoics avoided universals by paraphrasing 'Man is...' as 'If something is a man, then it is...' [Stoic school, by Long] |
11212 | The sense of a connective comes from primitively obvious rules of inference [Rumfitt] |
11210 | Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt] |
20788 | The contradictory of a contradictory is an affirmation [Stoic school, by Diog. Laertius] |