5 ideas
10304 | Very few things in set theory remain valid in intuitionist mathematics [Bernays] |
10303 | Restricted Platonism is just an ideal projection of a domain of thought [Bernays] |
10306 | Mathematical abstraction just goes in a different direction from logic [Bernays] |
20344 | Music is not an expressive art, because it expresses no familiar emotions [Hanslick, by Wollheim] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |