11 ideas
| 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] |
| 23681 | The first motion or effect cannot be produced necessarily, so the First Cause must be a free agent [Reid] |
| 23676 | A willed action needs reasonable understanding of what is to be done [Reid] |
| 23680 | We are morally free, because we experience it, we are accountable, and we pursue projects [Reid] |
| 19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |
| 23678 | A motive is merely an idea, like advice, and not a force for action [Reid] |
| 23677 | We all know that mere priority or constant conjunction do not have to imply causation [Reid] |
| 23679 | The principle of the law of nature is that matter is passive, and is acted upon [Reid] |