Clausal Intuitionistic Logic I - Fixed-Point Semantics

Abstract

D Since the advent of Horn-clause logic programming in the mid 1970’s, there have been numerous attempts to extend the expressive power of Horn-clause logic while preserving some of its attractive computational properties. This article, the first of a pair, presents a clausal language that extends Hornclause logic by adding negations and embedded implications to the righthand side of a rule, and interpreting these new rules intuitionistically, in a set of partial models. The resulting system is shown to have a fixed-point semantics that generalizes the van Emden-Kowalski semantics for Horn clauses. a

DOI: 10.1016/0743-1066(88)90005-2

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@article{McCarty1988ClausalIL, title={Clausal Intuitionistic Logic I - Fixed-Point Semantics}, author={L. Thorne McCarty}, journal={J. Log. Program.}, year={1988}, volume={5}, pages={1-31} }