8 ideas
19395 | Philosophy is sanctified, because it flows from God [Leibniz] |
11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
13827 | Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz] |
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] |
13826 | Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz] |
19394 | Inequality can be brought infinitely close to equality [Leibniz] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |