Fixpoint prog_funct' {F V} (l: list (ident * globdef F V)) : list (ident * F) :=
match l with nil => nil | (i,Gfun f)::r => (i,f):: prog_funct' r | _::r => prog_funct' r
end.
Definition prog_funct {F} (p: program F) := prog_funct' (prog_defs p).

Lemma find_symbol_add_globals_nil:
forall {F V} i g id p prog_pub,
(Genv.find_symbol
(Genv.add_globals (Genv.empty_genv F V prog_pub) ((i, g) :: nil)) id =
Some p <-> (i = id /\ 1%positive = p)).