8 ideas
11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
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] |
21227 | The Cogito demands a bridge to the world, and ends in isolating the ego [Velarde-Mayol] |
21215 | The representation may not be a likeness [Velarde-Mayol] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
22450 | If moral systems can't judge other moral systems, then moral relativism is true [Williams,B, by Foot] |
21219 | Find the essence by varying an object, to see what remains invariable [Velarde-Mayol] |