11 ideas
17751 | Gödel proved the completeness of first order predicate logic in 1930 [Gödel, by Walicki] |
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] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
23146 | Motives produce intentions, which lead to actions [Driver] |
23144 | Virtue should be defined by consequences, not by states of mind [Driver] |
23147 | Good intentions are not necessary for virtue [Driver] |
23148 | Virtues are character traits or dispositions which produce good consequences for others [Driver] |
23150 | Control of pregnancy and knowledge of paternity have downgraded chastity [Driver] |
23149 | If generosity systematically turned recipients into parasites, it wouldn't be a virtue [Driver] |