20 ideas
18755 | Validity is explained as truth in all models, because that relies on the logical terms [McGee] |
18751 | Natural language includes connectives like 'because' which are not truth-functional [McGee] |
18761 | Second-order variables need to range over more than collections of first-order objects [McGee] |
18753 | An ontologically secure semantics for predicate calculus relies on sets [McGee] |
18754 | Logically valid sentences are analytic truths which are just true because of their logical words [McGee] |
18757 | Soundness theorems are uninformative, because they rely on soundness in their proofs [McGee] |
18760 | The culmination of Euclidean geometry was axioms that made all models isomorphic [McGee] |
18762 | A maxim claims that if we are allowed to assert a sentence, that means it must be true [McGee] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
23814 | Every human yearns for an unattainable transcendent good [Weil] |
23824 | Where human needs are satisfied we find happiness, friendship and beauty [Weil] |
23815 | We cannot equally respect what is unequal, so equal respect needs a shared ground [Weil] |
23823 | Life needs risks to avoid sickly boredom [Weil] |
23822 | We all need to partipate in public tasks, and take some initiative [Weil] |
23817 | We need both equality (to attend to human needs) and hierarchy (as a scale of responsibilities) [Weil] |
23819 | Deliberate public lying should be punished [Weil] |
23818 | We have liberty in the space between nature and accepted authority [Weil] |
23820 | People need personal and collective property, and a social class lacking property is shameful [Weil] |
23821 | Crime should be punished, to bring the perpetrator freely back to morality [Weil] |
23816 | Attention to a transcendent reality motivates a duty to foster the good of humanity [Weil] |