Automatic Recognition of Tractability in Inference Relations

  title={Automatic Recognition of Tractability in Inference Relations},
  author={David A. McAllester},
  journal={J. ACM},
A procedure is given for recognizing sets of inference rules that generate polynomial time decidable inference relations. The procedure can automatically recognize the tractability of the inference rules underlying congruence closure. The recognition of tractability for that particular rule set constitutes mechanical verification of a theorem originally proved independently by Kozen and Shostak. The procedure is algorithmic, rather than heuristic, and the class of automatically recognizable… CONTINUE READING
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