Wed, 09 Sep 1998 17:34:58 +0200 Proved and added rewrite rule (@x. x=y) = y to simpset.
nipkow [Wed, 09 Sep 1998 17:34:58 +0200] rev 5447
Proved and added rewrite rule (@x. x=y) = y to simpset. Strange that only the symetric version was present!
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