Sun, 25 Jul 2010 21:42:39 +0200 wenzelm simplified/clarified register_thy: more precise treatment of new dependencies, remove descendants;
Sun, 25 Jul 2010 14:41:48 +0200 wenzelm simplified handling of theory begin/end wrt. toplevel and theory loader;
Sun, 25 Jul 2010 12:57:29 +0200 wenzelm Thy_Load.check_loaded via Theory.at_end;
Sat, 24 Jul 2010 21:40:48 +0200 wenzelm tuned;
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