10 ideas
11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
11210 | Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt] |
11212 | The sense of a connective comes from primitively obvious rules of inference [Rumfitt] |
8463 | Maths can be reduced to logic and set theory [Quine] |
8461 | The category of objects incorporates the old distinction of substances and their modes [Quine] |
22371 | Determinism threatens free will if actions can be causally traced to external factors [Foot] |
8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
22372 | Not all actions need motives, but it is irrational to perform troublesome actions with no motive [Foot] |
22373 | People can act out of vanity without being vain, or even vain about this kind of thing [Foot] |