5 ideas
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] |
13083 | The essence is the necessary properties, and the concept includes what is contingent [Leibniz] |
10246 | The limit of science is isomorphism of theories, with essences a matter of indifference [Weyl] |