10 ideas
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] |
16669 | Everything that exists is either a being, or some mode of a being [Malebranche] |
9460 | Extensionalist semantics forbids reference to nonexistent objects [Jacquette] |
9459 | Extensionalist semantics is circular, as we must know the extension before assessing 'Fa' [Jacquette] |
541 | Virtue comes more from habit than character [Critias] |
12726 | In a true cause we see a necessary connection [Malebranche] |
542 | Fear of the gods was invented to discourage secret sin [Critias] |