12 ideas
1597 | Thales was the first western thinker to believe the arché was intelligible [Roochnik on Thales] |
14626 | In S5 matters of possibility and necessity are non-contingent [Williamson] |
17622 | We come to believe mathematical propositions via their grounding in the structure [Burge] |
14625 | Necessity is counterfactually implied by its negation; possibility does not counterfactually imply its negation [Williamson] |
14623 | Strict conditionals imply counterfactual conditionals: □(A⊃B)⊃(A□→B) [Williamson] |
14624 | Counterfactual conditionals transmit possibility: (A□→B)⊃(◊A⊃◊B) [Williamson] |
14531 | Rather than define counterfactuals using necessity, maybe necessity is a special case of counterfactuals [Williamson, by Hale/Hoffmann,A] |
3013 | Nothing is stronger than necessity, which rules everything [Thales, by Diog. Laertius] |
14628 | Imagination is important, in evaluating possibility and necessity, via counterfactuals [Williamson] |
1494 | Thales said water is the first principle, perhaps from observing that food is moist [Thales, by Aristotle] |
1713 | Thales must have thought soul causes movement, since he thought magnets have soul [Thales, by Aristotle] |
1742 | Thales said the gods know our wrong thoughts as well as our evil actions [Thales, by Diog. Laertius] |