Some Independence Results for EquationalUni
نویسندگان
چکیده
For nite convergent term-rewriting systems the equational uniication problem is shown to be recursively independent of the equa-tional matching problem, the word matching problem, and the (simultaneous) 2 nd-order equational matching problem. We also present some new decidability results for simultaneous equational uniication and 2 nd-order equational matching.
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