3 ideas
9545 | Late in life Frege abandoned logicism, and saw the source of arithmetic as geometrical [Frege, by Chihara] |
16383 | Puzzled Pierre has two mental files about the same object [Recanati on Kripke] |
16745 | No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R] |