display all the ideas for this combination of texts
4 ideas
12595 | We have a theory of logic (implication and inconsistency), but not of inference or reasoning [Harman] |
13427 | Either 'a = b' vacuously names the same thing, or absurdly names different things [Ramsey] |
12597 | I might accept P and Q as likely, but reject P-and-Q as unlikely [Harman] |
13334 | Contradictions are either purely logical or mathematical, or they involved thought and language [Ramsey] |