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%0 Report %@ 382 %A Stickel, Mark E. %T A Prolog Technology Theorem Prover: Implementation By An Extended, Prolog Compiler %C 333 Ravenswood Ave., Menlo Park, CA 94025 %I AI Center, SRI International %D 1987 %K Deduction!PTTP, PTTP, Prolog %X A Prolog technology theorem prover (PTTP) is an extension of Prolog that is complete for the full first-order predicate calculus. It differs from Prolog in its use of unification with the occurs check for soundness, the model-elimination reduction rule that is added to Prolog inferences to make the inference system complete, and depth-first iterative-deepening search instead of unbounded depth-first search to make the search strategy complete. A Prolog technology theorem prover has been implemented by an extended Prolog-to-LISP compiler that supports these additional features. It is capable of proving theorems in the full first-order predicate calculus at a rate of thousands of inferences per second. %O Originally published April 1986. Revised November 1987. %U http://www.ai.sri.com/pubs/files/577.pdf

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