Methodology

Cuts and clouds: vagueness, its nature, and its logic by Richard Dietz, Sebastiano Moruzzi

By Richard Dietz, Sebastiano Moruzzi

Vagueness is a deeply complicated element of the relation among language and the area. Is it a function of how we characterize fact in language, or a function of truth itself? How will we cause with imprecise ideas? This publication provides the newest paintings in the direction of an realizing of those puzzles in regards to the nature and good judgment of vagueness. record of members; creation; half I: the character of Vagueness; I: what's Vagueness?; II: Vagueness actually; III: Tolerance and Paradox; IV: Vagueness in Context; half II: The good judgment of Vagueness; V: Supervaluationism; VI: Paraconsistent Logics; VII: Many-Valued Logics; VIII: Higher-Order Vagueness; Index; A; B; C; D; E; F; G; H; I; J; okay; L; M; N; O; P; Q; R; S; T; U; V; W; Z

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Extra resources for Cuts and clouds: vagueness, its nature, and its logic

Sample text

2. An assertion of ‘John is bald’ is to have its essential effect on a context-set consisting of worlds of following two sorts: α-worlds, in which John has no hairs on his head, and β-worlds, in which John has n hairs on his head (appropriately distributed) for some n such that men with n hairs on their heads (appropriately distributed) are borderline cases of baldness. One can expect that any semantics which is apt to anything but the lowest of degrees (relative to ‘bald’) will select either of the following two propositions as the content of the assertion: (a) the set of α-worlds, or (b) the set of all worlds in the context-set.

For one can expect that there will be a large number of rival propositions, each selected by a similarly broad range of semantics which are apt to similarly substantial degrees (relative to ‘bald’); so no one proposition will be salient to participants in the conversation. But how can this be right? Doesn’t everyday conversation supply examples of cases in which it is appropriate to assert that someone is bald even if one’s audience presupposes nothing about how much hair that person has? The way out of the problem is to note that, regardless of what the original contextset consists in, an assertion of ‘John is bald’ will not usually have its essential effect on a context set containing too many worlds.

N y(Person(y) ∧ Involved(x, y))) → Multitudinous(x)] (with standard definitional equivalences); (b) the semantic value of ‘Event’ according to Ci is the function taking each world w to the set of events in w; (c) the semantic value of ‘Person’ according to Ci is the function taking each world w to the set of persons in w; (d ) the semantic value of ‘Involved’ according to Ci is the function taking each world w to the set of ordered pairs x, y for x an event in w and y involved in x in w; (e) the semantic value of ‘=’ according to Ci is the function taking each world w to the set of ordered pairs x, x ; (f ) the semantic value of ‘∃x’ according to Ci is the function taking each world w to the set of non-empty sets of objects in w; (g) the semantic value of ‘¬’ according to Ci is the function taking each set of worlds to its complement; and (h) the semantic value of ‘∧’ according to Ci is the function taking each pair of sets of possible worlds to their intersection.

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