18 ideas
22026 | Philosophy is homesickness - the urge to be at home everywhere [Novalis] |
21704 | 'Impredictative' definitions fix a class in terms of the greater class to which it belongs [Linsky,B] |
21705 | Reducibility says any impredicative function has an appropriate predicative replacement [Linsky,B] |
21727 | Definite descriptions theory eliminates the King of France, but not the Queen of England [Linsky,B] |
21719 | Extensionalism means what is true of a function is true of coextensive functions [Linsky,B] |
21723 | The task of logicism was to define by logic the concepts 'number', 'successor' and '0' [Linsky,B] |
21721 | Higher types are needed to distinguished intensional phenomena which are coextensive [Linsky,B] |
21703 | Types are 'ramified' when there are further differences between the type of quantifier and its range [Linsky,B] |
21714 | The ramified theory subdivides each type, according to the range of the variables [Linsky,B] |
21713 | Did logicism fail, when Russell added three nonlogical axioms, to save mathematics? [Linsky,B] |
21715 | For those who abandon logicism, standard set theory is a rival option [Linsky,B] |
21729 | Construct properties as sets of objects, or say an object must be in the set to have the property [Linsky,B] |
19591 | Desire for perfection is an illness, if it turns against what is imperfect [Novalis] |
7257 | All modern social systems seem to be conspiracies of the rich [More,T] |
7254 | If you try to get elected, you should be permanently barred from seeking office [More,T] |
7255 | Only Utopians fail to see glory in warfare [More,T] |
7253 | In Utopia, legal euthanasia is considered honourable [More,T] |
7256 | In Utopia, the Supreme Being is identical with Nature [More,T] |