4 ideas
10558 | Abstract objects are actually constituted by the properties by which we conceive them [Zalta] |
16079 | De re modal predicates are ambiguous [Lewis, by Rudder Baker] |
20618 | Persons must be conscious, reasoning, motivated, communicative, self-aware [Warren, by Tuckness/Wolf] |
10557 | Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta] |