fact: Definition rdeduce := nformula_plus_nformula 0%Q Qplus Qeq_bool.
imports: OrderedRing QMicromega RingMicromega Refl Sumbool Raxioms Rfunctions RIneq Rpow_def QArith Qfield Qreals DeclConstant EnvRing List Coq.micromega.Tauto