nipkow [Mon, 07 Aug 1995 15:23:59 +0200] rev 1221
Added findI, findEs, and findE.
wenzelm [Tue, 01 Aug 1995 17:21:57 +0200] rev 1220
MAJOR changes:
added shyps component to type thm;
added rules strip_shyps, implies_intr_shyps;
fixed rules to handle shyps properly;
wenzelm [Tue, 01 Aug 1995 17:21:05 +0200] rev 1219
modified prepare_proof to handle shyps;
wenzelm [Tue, 01 Aug 1995 17:20:42 +0200] rev 1218
modified pretty_thm, standard, eq_thm to handle shyps;
wenzelm [Tue, 01 Aug 1995 17:20:21 +0200] rev 1217
modified prep_thm_axm to handle shyps;
fixed class_axms: class_trivs *first*;
improved axclass_tac: now also handles object rules as witnesses;
wenzelm [Tue, 01 Aug 1995 17:19:17 +0200] rev 1216
added (my own version of) nonempty_sort: sg -> (string * sort) list -> sort
-> bool;
wenzelm [Tue, 01 Aug 1995 17:17:49 +0200] rev 1215
added nonempty_sort (a somewhat braindead version!);