src/HOL/Library/Quotient.thy
Sun, 22 Oct 2000 22:18:40 +0200 wenzelm simplified quotients (only plain total equivs);
Thu, 19 Oct 2000 21:23:15 +0200 wenzelm improved typedef;
Wed, 18 Oct 2000 23:29:13 +0200 wenzelm Quotient types;
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