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7. Existence / D. Theories of Reality / 10. Vagueness / a. Problem of vagueness

[why vagueness matters to philosophy]

7 ideas
Austin revealed many meanings for 'vague': rough, ambiguous, general, incomplete... [Austin,JL, by Williamson]
Conjoining two indefinites by related sentences seems to produce a contradiction [Fine,K]
Local indeterminacy concerns a single object, and global indeterminacy covers a range [Fine,K]
Standardly vagueness involves borderline cases, and a higher standpoint from which they can be seen [Fine,K]
When bivalence is rejected because of vagueness, we lose classical logic [Williamson]
Vagueness undermines the stable references needed by logic [Williamson]
A vague term can refer to very precise elements [Williamson]