5 ideas
19695 | The devil was wise as an angel, and lost no knowledge when he rebelled [Whitcomb] |
18758 | Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee] |
8698 | Modal structuralism says mathematics studies possible structures, which may or may not be actualised [Hellman, by Friend] |
9557 | Statements of pure mathematics are elliptical for a sort of modal conditional [Hellman, by Chihara] |
10263 | Modal structuralism can only judge possibility by 'possible' models [Shapiro on Hellman] |