fact: Definition agree_env (fr : positive) (env env' : positive -> Z) : Prop := forall x, Pos.le x fr -> env x = env' x.
imports: List Bool OrderedRing RingMicromega ZCoeff Refl ZArith_base ZArithRing Ztac EnvRing Coq.micromega.Tauto BinNums Zdiv Znumtheory QArith Znumtheory Wf_nat