3 ideas
17831 | Cantor gives informal versions of ZF axioms as ways of getting from one set to another [Cantor, by Lake] |
19392 | I don't recommend universal doubt; we constantly seek reasons for things which are indubitable [Leibniz] |
7667 | There are two sides to men - the pleasantly social, and the violent and creative [Diderot, by Berlin] |