Ideas from 'Vagueness' by Bertrand Russell [1923], by Theme Structure

[found in 'Vagueness: a Reader' (ed/tr Keefe,R /Smith,P) [MIT 1999,0-262-61145-7]].

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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
Logical connectives have the highest precision, yet are infected by the vagueness of true and false [Williamson]
7. Existence / D. Theories of Reality / 9. Vagueness / d. Vagueness as semantic
Since natural language is not precise it cannot be in the province of logic [Keefe/Smith]
Vagueness is only a characteristic of representations, such as language