Section GENV_TRANSF.
Variable F1 F2 V1 V2: Type.
Variable ge1: Genv.t F1 V1.
Variable ge2: Genv.t F2 V2.
Hypothesis agree_on_symbols:
forall (s: ident), Genv.find_symbol ge2 s = Genv.find_symbol ge1 s.

Lemma eval_operation_preserved:
forall sp op vl m,
eval_operation ge2 sp op vl m = eval_operation ge1 sp op vl m.