more from R Keefe / P Smith

Single Idea 9053

[catalogued under 9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects]

Full Idea

If a predicate G has a sharply-bounded set of cases falling in between the positive and negative, this shows that merely having borderline cases is not sufficient for vagueness.

Gist of Idea

If there is a precise borderline area, that is not a case of vagueness

Source

R Keefe / P Smith (Intro: Theories of Vagueness [1997], 1)

Book Reference

'Vagueness: a Reader', ed/tr. Keefe,R /Smith,P [MIT 1999], p.15


A Reaction

Thus you might have 'pass', 'fail' and 'take the test again'. But there seem to be two cases in the border area: will decide later, and decision seems impossible. And the sharp boundaries may be quite arbitrary.