32 ideas
8092 | Logic was merely a branch of rhetoric until the scientific 17th century [Devlin] |
23755 | Genius and love of truth are always accompanied by great humility [Weil] |
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] |
17447 | Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck] |
8088 | People still say the Hopi have no time concepts, despite Whorf's later denial [Devlin] |
23747 | What is sacred is not a person, but the whole physical human being [Weil] |
23756 | The mind is imprisoned and limited by language, restricting our awareness of wider thoughts [Weil] |
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] |
23758 | Beauty is an attractive mystery, leaving nothing to be desired [Weil] |
23760 | All we need are the unity of justice, truth and beauty [Weil] |
23748 | The sacred in every human is their expectation of good rather than evil [Weil] |
23759 | Everything which originates in love is beautiful [Weil] |
23762 | Evil is transmitted by comforts and pleasures, but mostly by doing harm to people [Weil] |
23750 | It is not more money which the wretched members of society need [Weil] |
23749 | The problem of the collective is not suppression of persons, but persons erasing themselves [Weil] |
23753 | People absurdly claim an equal share of things which are essentially privileged [Weil] |
23751 | Rights are asserted contentiously, and need the backing of force [Weil] |
23752 | Giving centrality to rights stifles all impulses of charity [Weil] |
23757 | The spirit of justice needs the full attention of truth, and that attention is love [Weil] |
23761 | Justice (concerning harm) is distinct from rights (concerning inequality) [Weil] |
23764 | The only thing in society worse than crime is repressive justice [Weil] |
23763 | Punishment aims at the good for men who don't desire it [Weil] |
23754 | The only choice is between supernatural good, or evil [Weil] |