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Date: | 2006-03-13 (10:21) |
From: | Stefan Monnier <monnier@i...> |
Subject: | Re: unification of alternatives |
> I have an interesting problem with unification algorithm. > The problem is basically that given two terms, > either that unify, they don't unify, or *NEW* they don't > unify yet but might later. I believe you're looking for something called "residualization" in constraint and logic programming: if the unification algorithm can return not just a substitution but also some residual constraints that it wasn't able to resolve (but which may be resolvable later). Stefan