23 ideas
8092 | Logic was merely a branch of rhetoric until the scientific 17th century [Devlin] |
8081 | 'No councillors are bankers' and 'All bankers are athletes' implies 'Some athletes are not councillors' [Devlin] |
8085 | Modern propositional inference replaces Aristotle's 19 syllogisms with modus ponens [Devlin] |
8086 | Predicate logic retains the axioms of propositional logic [Devlin] |
8091 | Situation theory is logic that takes account of context [Devlin] |
8089 | Montague's intensional logic incorporated the notion of meaning [Devlin] |
8087 | Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic [Devlin] |
8082 | Where a conditional is purely formal, an implication implies a link between premise and conclusion [Devlin] |
8072 | Sentences of apparent identical form can have different contextual meanings [Devlin] |
8075 | Space and time are atomic in the arrow, and divisible in the tortoise [Devlin] |
8088 | People still say the Hopi have no time concepts, despite Whorf's later denial [Devlin] |
8073 | How do we parse 'time flies like an arrow' and 'fruit flies like an apple'? [Devlin] |
8076 | The distinction between sentences and abstract propositions is crucial in logic [Devlin] |
5845 | Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon] |
23418 | Liberal state legitimacy is based on a belief in justice, not in some conception of the good life [Kymlicka] |
23414 | Liberals say state intervention in culture restricts people's autonomy [Kymlicka] |
23410 | Modern liberals see a community as simply a society which respects freedom and equality [Kymlicka] |
23409 | Community can focus on class or citizenship or ethnicity or culture [Kymlicka] |
23413 | Feminism has shown that social roles are far from fixed (as communitarians tend to see them) [Kymlicka] |
23419 | Communitarianism struggles with excluded marginalised groups [Kymlicka] |
23415 | Participation aids the quest for the good life, but why should that be a state activity? [Kymlicka] |
23411 | Communitarians see justice as primarily a community matter, rather than a principle [Kymlicka] |
23412 | Justice resolves conflicts, but may also provoke them [Kymlicka] |