Combining Texts

All the ideas for 'Vagueness', 'Introduction to 'Hippias Minor'' and 'Letters to Thomas Burnett'

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6 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

21597

Logical connectives have the highest precision, yet are infected by the vagueness of true and false [Russell, by Williamson]

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / b. Intuitionism

9548	A mathematical object exists if there is no contradiction in its definition [Waterfield]

7. Existence / D. Theories of Reality / 10. Vagueness / d. Vagueness as linguistic

9051	Since natural language is not precise it cannot be in the province of logic [Russell, by Keefe/Smith]

9054	Vagueness is only a characteristic of representations, such as language [Russell]

9. Objects / B. Unity of Objects / 2. Substance / a. Substance

13197

The notion of substance is one of the keys to true philosophy [Leibniz]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

13198

Gravity is within matter because of its structure, and it can be explained. [Leibniz]