Mon, 29 Sep 1997 11:37:02 +0200 paulson Step_tac -> Safe_tac
Mon, 29 Sep 1997 11:36:44 +0200 paulson Tidied proof of r_comp_rtrancl_eq
Mon, 29 Sep 1997 11:32:25 +0200 paulson qed_spec_mp, normalize_thm, etc. copied in from HOL.ML
Mon, 29 Sep 1997 11:31:56 +0200 paulson Step_tac -> Safe_tac
Mon, 29 Sep 1997 11:31:13 +0200 paulson Safe_tac, Safe_step_tac, and minor corrections including \tt -> \texttt
Mon, 29 Sep 1997 11:28:23 +0200 paulson Safe_tac; qed_spec_mp in FOL
Fri, 26 Sep 1997 10:21:14 +0200 paulson Minor tidying to use Clarify_tac, etc.
Fri, 26 Sep 1997 10:12:04 +0200 wenzelm eliminated rules;
Thu, 25 Sep 1997 13:25:50 +0200 paulson Clarify_tac and some textual improvements
Thu, 25 Sep 1997 13:23:41 +0200 paulson Clarify_tac; general reorganization
Thu, 25 Sep 1997 12:32:14 +0200 paulson Deleted obsolete version of clarify_tac
Thu, 25 Sep 1997 12:25:29 +0200 paulson Deleted the unused list_mk_disj
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