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Single Idea 9116

[filed under theme 7. Existence / D. Theories of Reality / 10. Vagueness / c. Vagueness as ignorance ]

Full Idea

Vague words have hidden boundaries. The subtraction of a single grain of sand might turn a heap into a non-heap.

Gist of Idea

Vague words have hidden boundaries

Source

Roy Sorensen (Vagueness and Contradiction [2001], Intro)

Book Ref

Sorensen,Roy: 'Vagueness and Contradiction' [OUP 2004], p.1

A Reaction

The first sentence could be the slogan for the epistemic view of vagueness. The opposite view is Sainsbury's - that vague words are those which do not have any boundaries. Sorensen admits his view is highly counterintuitive. I think I prefer Sainsbury.

The 14 ideas with the same theme [vagueness arising from our imprecise knowledge]:

12516 Obscure simple ideas result from poor senses, brief impressions, or poor memory [Locke]
12517 Ideas are uncertain when they are unnamed, because too close to other ideas [Locke]
23542 Identifying vagueness with ignorance is the common mistake of confusing symptoms with cause [Fine,K]
9044 If someone is borderline tall, no further information is likely to resolve the question [Keefe/Smith]
9048 The simplest approach, that vagueness is just ignorance, retains classical logic and semantics [Keefe/Smith]
9055 The epistemic view of vagueness must explain why we don't know the predicate boundary [Keefe/Smith]
6863 Close to conceptual boundaries judgement is too unreliable to give knowledge [Williamson]
21591 Vagueness is epistemic. Statements are true or false, but we often don't know which [Williamson]
21619 If a heap has a real boundary, omniscient speakers would agree where it is [Williamson]
21620 The epistemic view says that the essence of vagueness is ignorance [Williamson]
21622 If there is a true borderline of which we are ignorant, this drives a wedge between meaning and use [Williamson]
9120 Vagueness in a concept is its indiscriminability from other possible concepts [Williamson]
16226 Epistemic vagueness seems right in the case of persons [Hawley]
9116 Vague words have hidden boundaries [Sorensen]