Thu, 28 Jul 2005 15:20:04 +0200 wenzelm Sign.typ_unify;
Thu, 28 Jul 2005 15:20:03 +0200 wenzelm typ_match, unify: canonical argument order;
Thu, 28 Jul 2005 15:20:02 +0200 wenzelm added weaken, adjust_maxidx_thm;
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