Goal:
  
  __wit := [] : list ZMicromega.ZArithProof
  __varmap := VarMap.Empty : VarMap.t Z
  __ff := Tauto.TT Tauto.isProp
       : Tauto.BFormula (RingMicromega.Formula Z) Tauto.isProp
  ============================
   True


DEBUG:Going to execute:
exact
(ZMicromega.ZTautoChecker_sound __ff __wit
   (eq_refl <: ZMicromega.ZTautoChecker __ff __wit = true)
   (VarMap.find 0 __varmap))