11 ideas
| 7823 | Lucretius was rediscovered in 1417 [Grayling] |
| 18812 | Split out the logical vocabulary, make an assignment to the rest. It's logical if premises and conclusion match [Tarski, by Rumfitt] |
| 13344 | X follows from sentences K iff every model of K also models X [Tarski] |
| 13343 | A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski] |
| 13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |
| 468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
| 7809 | In an honour code shame is the supreme punishment, and revenge is a duty [Grayling] |
| 7824 | If suicide is lawful, but assisting suicide is unlawful, powerless people are denied their rights [Grayling] |
| 7819 | Religion gives answers, comforts, creates social order, and panders to superstition [Grayling] |
| 7817 | To make an afterlife appealing, this life has to be denigrated [Grayling] |
| 7818 | In Greek mythology only heroes can go to heaven [Grayling] |