9 ideas
| 1489 | Modern philosophy tends to be a theory-constructing extension of science, but there is also problem-solving [Nagel] |
| 21750 | Science is sympathetic to truth as correspondence, since it depends on observation [Quine] |
| 13768 | Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington] |
| 13770 | There are many different conditional mental states, and different conditional speech acts [Edgington] |
| 13764 | Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington] |
| 13765 | 'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington] |
| 21748 | More careful inductions gradually lead to the hypothetico-deductive method [Quine] |
| 21749 | Altruistic values concern other persons, and ceremonial values concern practices [Quine] |
| 21751 | Love seems to diminish with distance from oneself [Quine] |