Undecidability of the Horn-Clause Implication Problem

Jerzy Marcinkowski, Leszek Pacholski. Undecidability of the Horn-Clause Implication Problem. In 33rd Annual Symposium on Foundations of Computer Science, 24-27 October 1992, Pittsburgh, Pennsylvania, USA. pages 354-362, IEEE, 1992.

Abstract

Abstract is missing.