4 ideas
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
5451 | Popper felt that ancient essentialism was a bar to progress [Popper, by Mautner] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |