Sun, 28 May 1995 17:18:06 +0200 nipkow Added Church-Rosser
Sun, 28 May 1995 17:17:43 +0200 nipkow Added trancl_cs
Sat, 27 May 1995 16:10:10 +0200 nipkow Moved Relation from Integ to main HOL.
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