Publication details

Saarland University Computer Science

The First-Order Theory of Lexicographic Path Orderings is Undecidable

Hubert Comon, Ralf Treinen

Theoretical Computer Science, April 1997

fragment of the theory of a lexicographic path ordering is undecidable, both in the partial and in the total precedence cases. Our result implies in particular that the simplification rule of ordered completion is undecidable.

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