Wed, 02 Jul 2014 13:06:07 +0200 wenzelm misc tuning and clarification;
Wed, 02 Jul 2014 12:12:26 +0200 wenzelm check 'case' variable bindings as for 'fix', which means internal names are rejected as usual;
Wed, 02 Jul 2014 08:03:50 +0200 haftmann optional exit hook for theory-like targets
Wed, 02 Jul 2014 08:03:49 +0200 haftmann restore exactly named target, prevent non-named targets to participate in the ad-hoc switch game
Wed, 02 Jul 2014 08:03:48 +0200 haftmann centralized (ad-hoc) switching of targets in named_target.ML
Tue, 01 Jul 2014 21:57:08 -0700 huffman add lemmas: polynomial div/mod distribute over addition
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