traytel [Fri, 19 Jul 2013 14:51:45 +0200] rev 52707
permissive uncheck -- allow printing of malformed terms (e.g. in error messages);
nipkow [Fri, 19 Jul 2013 15:48:04 +0200] rev 52706
added exerciese
traytel [Fri, 19 Jul 2013 12:00:31 +0200] rev 52705
do not apply string_of_term to dummy-typed syntactic constants (ensures that uncheck phases work on well-typed terms)
wenzelm [Thu, 18 Jul 2013 23:13:44 +0200] rev 52704
modify background theory where it is actually required (cf. 51dfdcd88e84);
wenzelm [Thu, 18 Jul 2013 22:32:00 +0200] rev 52703
tuned messages -- avoid text folds stemming from Pretty.chunks;
wenzelm [Thu, 18 Jul 2013 22:18:20 +0200] rev 52702
proper system options for 'find_theorems';
wenzelm [Thu, 18 Jul 2013 22:00:35 +0200] rev 52701
guard unify tracing via visible status of global theory;
find_theorems: back-patching of background theory to observe Context_Position.is_visible avoids spamming via auto solve_direct;
wenzelm [Thu, 18 Jul 2013 21:57:27 +0200] rev 52700
provide global operations as well;
wenzelm [Thu, 18 Jul 2013 21:20:09 +0200] rev 52699
tuned signature;
wenzelm [Thu, 18 Jul 2013 21:06:21 +0200] rev 52698
tuned;