5 ideas
10558 | Abstract objects are actually constituted by the properties by which we conceive them [Zalta] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
18988 | Behind the bare phenomenal facts there is nothing [Wright,Ch] |
10557 | Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta] |