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] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |
| 1558 | Clearly the gods ignore human affairs, or they would have given us justice [Thrasymachus] |