5 ideas
8000 | He who is ignorant of the history of philosophy is doomed to repeat it [Santayana, by MacIntyre] |
8942 | Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher] |
18521 | The criterion of existence is the possibility of action [Santayana] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
23060 | The good is not relative, but is rooted in facts about human needs [Santayana] |