4 ideas
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
5692 | Introspection is not perception, because there are no extra qualities apart from the mental events themselves [Rosenthal] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |