4 ideas
9463 | Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette] |
10414 | Abstract objects are constituted by encoded collections of properties [Zalta, by Swoyer] |
10415 | Properties make round squares and round triangles distinct, unlike exemplification [Zalta, by Swoyer] |
16391 | Indexical thoughts are about themselves, and ascribe properties to themselves [Perry, by Recanati] |