paulson [Fri, 27 Nov 1998 10:40:29 +0100] rev 5978
moved diag (diagonal relation) from Univ to Relation
paulson [Thu, 26 Nov 1998 17:40:10 +0100] rev 5977
tidied up list definitions, using type 'a option instead of
unit + 'a, also using real typedefs instead of faking them with extra rules
mueller [Thu, 26 Nov 1998 16:37:56 +0100] rev 5976
tuning to assimiliate it with PhD;
nipkow [Thu, 26 Nov 1998 12:18:51 +0100] rev 5975
Added a general refutation tactic which works by putting things into nnf first.
nipkow [Thu, 26 Nov 1998 12:18:08 +0100] rev 5974
Added filter_prems_tac
wenzelm [Wed, 25 Nov 1998 20:55:25 +0100] rev 5973
removed prs / prs_fn;
paulson [Wed, 25 Nov 1998 15:55:00 +0100] rev 5972
guarantees laws
paulson [Wed, 25 Nov 1998 15:54:41 +0100] rev 5971
simplified ensures_UNIV
paulson [Wed, 25 Nov 1998 15:53:31 +0100] rev 5970
new thms for invariant
paulson [Wed, 25 Nov 1998 15:53:04 +0100] rev 5969
new theorem program_equalityE
paulson [Wed, 25 Nov 1998 15:52:45 +0100] rev 5968
renamed vars
paulson [Wed, 25 Nov 1998 15:51:53 +0100] rev 5967
image_id in simpset
wenzelm [Wed, 25 Nov 1998 14:11:24 +0100] rev 5966
removed prs / prs_fn (broken, because it did not include \n in its
semantics, forcing writeln to add one uncoditionally);
replaced prs_fn by writeln fn;
wenzelm [Wed, 25 Nov 1998 14:07:22 +0100] rev 5965
eliminated ISABELLE_INTERFACE_OPTIONS;