6 ideas
14361 | Lewis says indicative conditionals are truth-functional [Lewis, by Jackson] |
8434 | In good counterfactuals the consequent holds in world like ours except that the antecedent is true [Lewis, by Horwich] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |
20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |
20645 | Heat is a state of vibration, not a substance [Joule] |