Combining Texts

All the ideas for 'Intro to 'Philosophy of Logic'', 'works' and 'Does Ontology Rest on a Mistake?'

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10 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]

7. Existence / D. Theories of Reality / 7. Fictionalism

19489

For me, fictions are internally true, without a significant internal or external truth-value [Yablo]

19490

Make-believe can help us to reason about facts and scientific procedures [Yablo]

19491

'The clouds are angry' can only mean '...if one were attributing emotions to clouds' [Yablo]

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]

23. Ethics / F. Existentialism / 6. Authentic Self

22230

Sartre gradually realised that freedom is curtailed by the weight of situation [Sartre, by Daigle]