Combining Texts

All the ideas for 'Critical Common-Sensism', 'The Analyst' and 'Vagueness'

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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 / A. Nature of Mathematics / 5. The Infinite / k. Infinitesimals

18091

Infinitesimals are ghosts of departed quantities [Berkeley]

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 / 3. Unity Problems / e. Vague objects

14797

Vagueness is a neglected but important part of mathematical thought [Peirce]

14798

All communication is vague, and is outside the principle of non-contradiction [Peirce]