Combining Texts

All the ideas for 'Necessary Existents', 'Reality and Representation' and 'Intro to 'Philosophy of Logic''

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8 ideas

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / a. Systems of modal logic
9456 Modal logic is multiple systems, shown in the variety of accessibility relations between worlds [Jacquette]
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
9457 The two main views in philosophy of logic are extensionalism and intensionalism [Jacquette]
5. Theory of Logic / I. Semantics of Logic / 5. Extensionalism
9458 Extensionalists say that quantifiers presuppose the existence of their objects [Jacquette]
5. Theory of Logic / I. Semantics of Logic / 6. Intensionalism
9461 Intensionalists say meaning is determined by the possession of properties [Jacquette]
11. Knowledge Aims / A. Knowledge / 4. Belief / a. Beliefs
12583 Belief truth-conditions are normal circumstances where the belief is supposed to occur [Papineau]
19. Language / C. Assigning Meanings / 7. Extensional Semantics
9460 Extensionalist semantics forbids reference to nonexistent objects [Jacquette]
9459 Extensionalist semantics is circular, as we must know the extension before assessing 'Fa' [Jacquette]
19. Language / D. Propositions / 3. Concrete Propositions
19216 Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]