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引用次数: 5
摘要
给出了两个任意方程理论E in T(F,X)和E/sup 1/ in T(F',X)组合的完全统一算法,其中F和F'表示两个不相交的函数符号集。该方法适用于无限树的统一。它应用于两个著名的开放问题,当E是布尔环理论或阿贝尔群理论,E是自由理论。对布尔环的兴趣起源于VSLI验证。
Unification in free extensions of Boolean rings and Abelian groups
A complete unification algorithm is presented for the combination of two arbitrary equational theories E in T(F,X) and E/sup 1/ in T(F',X), where F and F' denote two disjoint sets of function symbols. The method adapts to unification of infinite trees. It is applied to two well-known open problems, when E is the theory of Boolean rings or the theory of Abelian groups, and E is the free theory. The interest to Boolean rings originates in VSLI verification.<>