Goal:
  
  ============================
   (let __wit := [] in
    let __varmap := VarMap.Empty in
    let __ff :=
      Tauto.A Tauto.isProp
        {|
          RingMicromega.Flhs := EnvRing.PEc BinNums.Z0;
          RingMicromega.Fop := RingMicromega.OpGe;
          RingMicromega.Frhs := EnvRing.PEc BinNums.Z0
        |} tt in
    BinInt.Z.ge BinNums.Z0 BinNums.Z0)


DEBUG:Going to execute:
let __ff := fresh "__ff" in
           intros __wit __varmap __ff; exact
            (ZMicromega.ZTautoChecker_sound __ff __wit
               (eq_refl <: ZMicromega.ZTautoChecker __ff __wit = true)
               (VarMap.find BinNums.Z0 __varmap))