Thu, 03 Feb 1994 13:55:03 +0100 removed eq_sg, pprint_sg, print_sg (now in sign.ML);
wenzelm [Thu, 03 Feb 1994 13:55:03 +0100] rev 252
removed eq_sg, pprint_sg, print_sg (now in sign.ML); removed cterm_fun, read_ctyp (now in thm.ML); print_theory: now shows all contents;
Thu, 03 Feb 1994 13:53:44 +0100 major cleanup;
wenzelm [Thu, 03 Feb 1994 13:53:44 +0100] rev 251
major cleanup; added eq_sig; added print_sg (full contents), pprint_sg (stamps only); added certify_typ, certify_term; changed read_typ: result now certified;
Thu, 03 Feb 1994 13:53:08 +0100 extend_theory: changed type of "abbrs" arg;
wenzelm [Thu, 03 Feb 1994 13:53:08 +0100] rev 250
extend_theory: changed type of "abbrs" arg; added cterm_fun, read_ctyp (from drule.ML); ctyp_of, cterm_of, etc.: now use Sign.certify_...; assumption: now uses Envir.is_empty; bicompose_aux: fixed BUG (unifier with empty "asol" but non-empty "iTs" wasn't applied); fixed axioms_of;
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