peting theories of vagueness. Nonetheless, when Tek is borderline tall, it does seem that the unclarity about whether he is tall is not merely epistemic (i.e. such. Cambridge Studies in Philosophy: Theories of Vagueness by Rosanna Keefe, , available at Book Depository with free delivery worldwide. In this book Rosanna Keefe explores the questions of what we should want from theories of vagueness and how we should compare them. Her powerful and.

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Who can turn a pan into a pane? Boolos is puzzled why we overlook these clear counterexamples.

However, both features seem eliminable. Thus it seems natural to view language as merely an accessible intermediate bearer of vagueness.

Check out the top books of the year on our page Best Books of The expressivist is poised to explain how supervaluationism developed into the most respected theory of vagueness.

The rule for assigning gluts is the mirror image of the rule for assigning gaps: Think of all the automotive misery that has been prefaced by Driver: Other commentators grant that it is logically possible that vague predicates have thresholds. For instance, the revised rule for conjunctions is to assign the conjunction the same truth-value as the conjunct with the lowest truth-value. He would be understood as taking a special liberty with the term to suit a special purpose.

Epistemicists explain the rise in assertibility by the increasing probability of truth. The first part, consisting of Chs.

Vagueness by numbers; 6.

Scientific Essentialism Brian Ellis. Rosanna Keefe – – Synthese Supervaluationists encourage the view that all vagueness is a matter of linguistic indecision: The epistemic view of vagueness; 4. According to the contextualists, the rules governing the shifts prohibit us from interpreting any instance of the induction step as having a true antecedent and a false consequent. Every species is vague, every term goes cloudy at its edges, and so in my way of thinking, relentless logic is only another name for stupidity—for a sort of intellectual pigheadedness.


Dandelions are unwanted by lawn caretakers but are desired by farmers for food, wine, and medical uses. So if the statement comes out true under one precisification and false under another precisification, the statement is both true and false.

Cambridge Studies in Philosophy: Theories of Vagueness

If I bet against each number being the threshold, then I must have placed a losing bet somewhere. They just think it would be a miracle: Officially, the supervaluationist rejects the induction step of the sorites argument.

There is a desperately wide range of opinions as to how the revision of logic should be executed. We use cookies to give you the best possible experience.

However far I go, I shall always carry this horizon with me. They come out true in virtue of the speaker judging them to be true. For the sake of comparison, consider discretion between alternative spellings.

Or consider an inductive theoried that is too complex for us to reason with. According to supervaluationists, borderline statements lack a truth-value. Home Contact Us Help Free delivery worldwide. Since probabilities may be extracted from hypothetical betting behavior, I must actually assign some small normally negligible probability to hypotheses identifying particular thresholds.

Just as contextualism in epistemology runs orthogonal to the familiar divisions amongst epistemologists foundationalism, reliabilism, coherentism, etc. Thus it cannot increase the degree of truth. Words are only vague indirectly, by virtue of having a sense that is vague. The iterations are confusing but perfectly meaningful. Experimental philosophers have challenged the old appeals to ordinary language with empirical results suggesting that glutty talk is as readily stimulated by borderline cases as gappy talk Alxatib and PelletierRipley Other unthinkable sorites arguments use predicates that can only be grasped by individuals in other possible worlds or by creatures with theoroes types of minds than ours.


Sometimes the best balance is achieved at the cost of turning former positive cases into negative cases. If you do not lower your confidence, you are open to the charge of dogmatism. Viewed formally, there seems no more reason to prefer one departure from classical logic rather than the vaguness.

Vaguenesd it on Scholar. In the vast majority of cases, the unknowability of a borderline statement is only relative to a given means of settling the issue Sorensenchapter 1.

Cambridge Studies in Philosophy: Theories of Vagueness : Rosanna Keefe :

Are they present because vagueness serves a function? Every species waggles about in its definition, every tool is a little loose in its handle, every scale has its individual. This motivates thwories thoughts about second order vagueness.

Indeed, contextualists typically emphasize that each instance is true. Science Logic and Mathematics. The deliberator may accept the tautologies of classical logic as constraints governing competing plans for vaguemess lines. Without cookies your experience may not be seamless.