fact: Definition QReval_formula' := eval_formula Rplus Rmult Rminus Ropp (@eq R) Rle Rlt Q2R N.to_nat pow.
imports: OrderedRing QMicromega RingMicromega Refl Sumbool Raxioms Rfunctions RIneq Rpow_def QArith Qfield Qreals DeclConstant EnvRing