17 ideas
9193 | ZF set theory has variables which range over sets, 'equals' and 'member', and extensionality [Dummett] |
9194 | The main alternative to ZF is one which includes looser classes as well as sets [Dummett] |
9195 | Intuitionists reject excluded middle, not for a third value, but for possibility of proof [Dummett] |
9186 | First-order logic concerns objects; second-order adds properties, kinds, relations and functions [Dummett] |
9187 | Logical truths and inference are characterized either syntactically or semantically [Dummett] |
9191 | Ordinals seem more basic than cardinals, since we count objects in sequence [Dummett] |
9192 | The number 4 has different positions in the naturals and the wholes, with the same structure [Dummett] |
3546 | 'Phronesis' should translate as 'practical intelligence', not as prudence [Annas] |
3547 | Epicureans achieve pleasure through character development [Annas] |
3543 | Cyrenaics pursue pleasure, but don't equate it with happiness [Annas] |
3541 | Ancient ethics uses attractive notions, not imperatives [Annas] |
3550 | Principles cover life as a whole, where rules just cover actions [Annas] |
3551 | Virtue theory tries to explain our duties in terms of our character [Annas] |
3552 | If excessively good actions are admirable but not required, then duty isn't basic [Annas] |
3542 | We should do good when necessary, not maximise it [Annas] |
9111 | God is not wise, but more-than-wise; God is not good, but more-than-good [William of Ockham] |
9112 | We could never form a concept of God's wisdom if we couldn't abstract it from creatures [William of Ockham] |