4 ideas
3299 | In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie] |
12714 | The substantial form is the principle of action or the primitive force of acting [Leibniz] |
12743 | A true being must (unlike a chain) have united parts, with a substantial form as its subject [Leibniz] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |