src/HOL/Library/Cancellation/cancel_data.ML
Fri, 04 Jan 2019 23:22:53 +0100 wenzelm isabelle update -u control_cartouches;
Tue, 04 Apr 2017 15:05:00 +0200 wenzelm tuned headers;
Tue, 14 Feb 2017 18:32:53 +0100 fleury cancellation simprocs generalising the multiset simprocs
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