4 ideas
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
16776 | Substance is an intrinsic thing, so parts of substances can't also be intrinsic things [Duns Scotus] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |