22 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] |
8087 | Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic [Devlin] |
8089 | Montague's intensional logic incorporated the notion of meaning [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] |
8228 | Being is revealed at the point between waking and sleep [Anon (Cent)] |
8088 | People still say the Hopi have no time concepts, despite Whorf's later denial [Devlin] |
7295 | Maybe induction is only reliable IF reality is stable [Mitchell,A] |
8232 | Neglect your self, and feel the consciousness of each other being [Anon (Cent)] |
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] |
8230 | Just as you have the impulse to do something, stop [Anon (Cent)] |
8234 | Bondage and liberation are relative terms, which only frighten those already terrified of the universe [Anon (Cent)] |
8227 | Feel your whole body saturated with cosmic essence [Anon (Cent)] |
8229 | The serenity in blue sky beyond clouds [Anon (Cent)] |
8231 | Abandon attachment to body, and feel the joy of being everywhere [Anon (Cent)] |
8233 | Imagine fire burning up your whole body, but not you [Anon (Cent)] |