6 ideas
15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
23633 | Many truths seem obvious, and point to universal agreement - which is what we find [Reid] |
23630 | Only philosophers treat ideas as objects [Reid] |
23629 | The ambiguity of words impedes the advancement of knowledge [Reid] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
23632 | Similar effects come from similar causes, and causes are only what are sufficient for the effects [Reid] |