Definition Delta1 V G {C: compspecs}: tycontext :=
  make_tycontext ((1%positive,(Tfunction Tnil Tvoid cc_default))::nil) nil nil Tvoid V G nil.

Lemma tc_ge_denote_initial: forall vs G (prog: program), list_norepet (prog_defs_names prog) -> match_globvars (prog_vars prog) vs = true-> match_fdecs (prog_funct prog) G -> typecheck_glob_environ (filter_genv (globalenv prog)) (make_tycontext_g vs G).