9 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
21554 | Sets always exceed terms, so all the sets must exceed all the sets [Lackey] |
21553 | It seems that the ordinal number of all the ordinals must be bigger than itself [Lackey] |
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] |
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] |