6 ideas
14979 | Being alone doesn't guarantee intrinsic properties; 'being alone' is itself extrinsic [Lewis, by Sider] |
15454 | Extrinsic properties come in degrees, with 'brother' less extrinsic than 'sibling' [Lewis] |
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
15455 | Total intrinsic properties give us what a thing is [Lewis] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
5954 | All inventions of the mind aim at pleasure, and those that don't are worthless [Metrodorus of Lamp., by Plutarch] |