Abstract
The different reachability problems for ground rewrite systems are decidable[OY86], [DEGI89]. We prove these results using ground tree transducers of [DATI85] and wellknown algorithms on recognizable tree languages in order to obtain efficient algorithms. We introduce and study derivation proofs to describe the sequences of rules used to reduce a term t in a term t' for a given ground rewrite system S and sketch how compute a derivation proof in linear time. Moreover, we study the same problem for recognizable tree languages.
This work was in part supported by the “PRC Mathématiques et Informatique” et ESPRIT2 Working Group ASMICS.
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Coquidé, J.L., Gilleron, R. (1990). Proofs and reachability problem for ground rewrite systems. In: Dassow, J., Kelemen, J. (eds) Aspects and Prospects of Theoretical Computer Science. IMYCS 1990. Lecture Notes in Computer Science, vol 464. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-53414-8_34
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DOI: https://doi.org/10.1007/3-540-53414-8_34
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