src/HOL/Algebra/Free_Abelian_Groups.thy
Fri, 06 Sep 2019 15:50:57 +0200 wenzelm proper session-qualifier imports (amending "fixes" from adaa0a6ea4fe);
Fri, 05 Apr 2019 15:02:46 +0100 paulson Free_Abelian_Groups finally working; fixed some duplicates; cleaned up some proofs
Fri, 05 Apr 2019 11:21:53 +0100 paulson fixes for Free_Abelian_Groups
Thu, 04 Apr 2019 16:38:45 +0100 paulson fixed markup in Poly_Mapping; Free_Abelian_Groups (but not yet imported by Algebra!)
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