src/HOL/GroupTheory/README.html
Wed, 11 Dec 2002 10:12:48 +0100 ballarin HOL/GroupTheory/Summation.thy added: summation operator for abelian groups.
Thu, 26 Sep 2002 10:40:13 +0200 paulson converted to Isar and using new "implicit structures" instead of Sigma, etc
Tue, 20 Nov 2001 22:53:50 +0100 wenzelm fixed links etc.;
Mon, 23 Jul 2001 17:37:29 +0200 paulson The final version of Florian Kammueller's proofs
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