10 ideas
18351 | Propositions are made true, in virtue of something which explains its truth [Lowe] |
9456 | Modal logic is multiple systems, shown in the variety of accessibility relations between worlds [Jacquette] |
9457 | The two main views in philosophy of logic are extensionalism and intensionalism [Jacquette] |
9458 | Extensionalists say that quantifiers presuppose the existence of their objects [Jacquette] |
9461 | Intensionalists say meaning is determined by the possession of properties [Jacquette] |
9558 | All scientific tests will verify mathematics, so it is a background, not something being tested [Sober] |
18353 | Modes are beings that are related both to substances and to universals [Lowe] |
18352 | Tropes have existence independently of any entities [Lowe] |
9460 | Extensionalist semantics forbids reference to nonexistent objects [Jacquette] |
9459 | Extensionalist semantics is circular, as we must know the extension before assessing 'Fa' [Jacquette] |