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Linguistics Colloquium: Laurence R. Horn,”On the Contrary: Pragmatic Strengthening and Disjunctive Syllogism”

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November 18, 2011 @ 4:00 pm - 6:00 pm

  |  Stevenson Fireside Lounge


Laurence R. Horn

Laurence R. Horn

On the Contrary:

Pragmatic Strengthening and Disjunctive Syllogism

 

The dictum that “The essence of formal negation is to invest the contrary with the character of the contradictory” (Bosanquet 1888) describes the tendency for contradictory (apparent wide-scope) negation to be semantically or pragmatically strengthened to contrary readings whenever possible. This tendency is illustrated by lexicalization asymmetries (e.g. none ‘all not’ vs. *nall ‘not all’) and the widespread diachronic reanalyses of weaker negatives to contraries (e.g Il ne faut pas partir —literally = ‘one need not leave’ > ‘one must not-leave’).

Outside the lexical domain, contrary strengthening typically instantiates the inference schema of disjunctive syllogism (modus tollendo ponens):

  f v j

  ¬ f

  j

The role of the disjunctive syllogism can be detected in a variety of strengthening shifts in natural language where the disjunctive premise in question is pragmatically presupposed in relevant contexts. It will be shown that a range of apparently quite diverse phenomena—negative strengthening in lexical and clausal contexts (e.g. neg-raising), scope adjustments with negated plural definites and bare plurals, epistemic strengthening of weak implicature in both main and embedded contexts, conjunctive readings of free choice disjunction, and children’s word learning strategies, among others—can be collected under the umbrella of pragmatic strengthening as reflexes of the general preference for contrariety, the operation of disjunctive syllogism, or both.

Laurence R. Horn is Professor of Linguistics and Director of Undergraduate Studies at Yale University. Professor Horn’s primary research program lies in the union (if not the intersection) of classical logic, lexical semantics, and neo-Gricean pragmatic theory. He has been particularly concerned with the exploration of natural language negation and its relation to other operators. He specializes in pragmatics, semantics, syntax, language & gender.

This talk is presented by the Santa Cruz Linguistics and Philosophy Group, a research center of the Institute for Humanities Research. Sponsored by the UC Humanities Network and the Department of Linguistics. For more information please contact Nathan Arnett, nvarnett@ucsc.edu.

Details

Date:
November 18, 2011
Time:
4:00 pm - 6:00 pm

Venue

Stevenson Fireside Lounge
Humanites 1 University of California, Santa Cruz Cowell College
Santa Cruz, CA 95064 United States
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