6 ideas
10801 | Either reference really matters, or we don't need to replace it with substitutions [Quine] |
10190 | From the axiomatic point of view, mathematics is a storehouse of abstract structures [Bourbaki] |
18617 | Substances, unlike aggregates, can survive a change of parts [Mumford] |
18618 | Maybe possibilities are recombinations of the existing elements of reality [Mumford] |
18619 | Combinatorial possibility has to allow all elements to be combinable, which seems unlikely [Mumford] |
18620 | Combinatorial possibility relies on what actually exists (even over time), but there could be more [Mumford] |