12 ideas
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] |
5952 | Rather than being the whole soul, maybe I am its chief part? [Plutarch] |
5951 | If atoms have no qualities, they cannot possibly produce a mind [Plutarch] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |
20796 | Action needs an affinity for a presentation, and an impulse toward the affinity [Plutarch] |
541 | Virtue comes more from habit than character [Critias] |
5948 | The good life involves social participation, loyalty, temperance and honesty [Plutarch] |
5950 | If only atoms exist, how do qualities arise when the atoms come together? [Plutarch] |
542 | Fear of the gods was invented to discourage secret sin [Critias] |
5955 | No one will ever find a city that lacks religious practices [Plutarch] |