src/HOL/Library/Cancellation.thy
Sun, 06 Jan 2019 15:04:34 +0100 wenzelm isabelle update -u path_cartouches;
Wed, 10 Jan 2018 15:25:09 +0100 nipkow ran isabelle update_op on all sources
Wed, 10 May 2017 19:11:20 +0200 blanchet tuning
Thu, 16 Feb 2017 09:45:03 +0100 fleury don't activate simproc on cancel_comm_monoid_add
Tue, 14 Feb 2017 18:32:53 +0100 fleury cancellation simprocs generalising the multiset simprocs
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