8 ideas
| 12177 | Human artefacts may have essences, in their purposes [Popper] |
| 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] |
| 12176 | Science does not aim at ultimate explanations [Popper] |
| 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] |
| 12175 | Galilean science aimed at true essences, as the ultimate explanations [Popper] |
| 12179 | Essentialist views of science prevent further questions from being raised [Popper] |