Combining Texts

All the ideas for 'Issues of Pragmaticism', 'Wittgenstein's 'Philosophical Investigations'' 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]

15. Nature of Minds / A. Nature of Mind / 4. Other Minds / d. Other minds by analogy

14644

If my conception of pain derives from me, it is a contradiction to speak of another's pain [Malcolm]

19. Language / A. Nature of Meaning / 1. Meaning

19087

The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce]

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]