4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9545 | Late in life Frege abandoned logicism, and saw the source of arithmetic as geometrical [Frege, by Chihara] |
21982 | I only wish I had such eyes as to see Nobody! It's as much as I can do to see real people. [Carroll,L] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |