4 ideas
17996 | Powers are claimed to be basic because fundamental particles lack internal structure [Psillos] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
22307 | Propositions don't name facts, because two opposed propositions can match one fact [Russell] |