src/HOL/Predicate_Compile_Examples/Hotel_Example.thy
Tue, 13 Aug 2013 16:25:47 +0200 wenzelm standardized symbols via "isabelle update_sub_sup", excluding src/Pure and src/Tools/WWW_Find;
Sat, 23 Apr 2011 13:00:19 +0200 wenzelm modernized specifications;
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