4 ideas
9548 | A mathematical object exists if there is no contradiction in its definition [Waterfield] |
16007 | I assume existence, rather than reasoning towards it [Kierkegaard] |
16013 | Nothing necessary can come into existence, since it already 'is' [Kierkegaard] |
19035 | General Relativity allows substantivalism about space-time - that it has independent properties [Hoefer] |