Combining Texts

All the ideas for 'Intro to 'Philosophy of Logic'', 'works' and 'Meditatio de principio individui'

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9 ideas

2. Reason / B. Laws of Thought / 2. Sufficient Reason

18241

Sufficient reason is implied by contradiction, of an insufficient possible which exists [Wolff, by Korsgaard]

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]

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]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

12702

Causes can be inferred from perfect knowledge of their effects [Leibniz]

28. God / A. Divine Nature / 6. Divine Morality / b. Euthyphro question

18242

Confucius shows that ethics can rest on reason, rather than on revelation [Wolff, by Korsgaard]