4 ideas
15456 | Extrinsic properties, unlike intrinsics, imply the existence of a separate object [Kim, by Lewis] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
14303 | Truth-functional conditionals have a simple falsification, when A is true and B is false [Peirce] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |