4 ideas
10558 | Abstract objects are actually constituted by the properties by which we conceive them [Zalta] |
16695 | Successive entities are in flux, flowing in existence, with different parts at different times [Oresme] |
9807 | In pursuing truth, anything less certain than mathematics is a waste of time [Descartes] |
10557 | Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta] |