The Proper Treatment of Coordination in Peirce Grammar
نویسنده
چکیده
Peirce grammar provides a first-order, relational semantics for extensional fragments of natural language. Proposals in the literature to model natural language coordination by boolean operations in Peirce grammar lead to inadaequate results. We propose to equip Peirce grammar with an additional sort of finite trees and to admit recursion on trees for defining the evaluation of expressions. We demonstrate how this leads to a better treatment of coordination and other recursive constructions, such as the inverse linking of quantifiers in nested noun phrases.
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