3 ideas
9545 | Late in life Frege abandoned logicism, and saw the source of arithmetic as geometrical [Frege, by Chihara] |
19347 | Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins] |
19000 | Read 'all ravens are black' as about ravens, not as about an implication [Belnap] |