8 ideas
14779 | I reason in order to avoid disappointment and surprise [Peirce] |
14777 | That a judgement is true and that we judge it true are quite different things [Peirce] |
17832 | Zermelo showed that the ZF axioms in 1930 were non-categorical [Zermelo, by Hallett,M] |
13028 | Replacement was added when some advanced theorems seemed to need it [Zermelo, by Maddy] |
14780 | Only study logic if you think your own reasoning is deficient [Peirce] |
17626 | The antinomy of endless advance and of completion is resolved in well-ordered transfinite numbers [Zermelo] |
14778 | Facts are hard unmoved things, unaffected by what people may think of them [Peirce] |
16721 | Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans] |