fact: Definition ARarctanStream (px : positive*(AQ*AQ)) : AQ*AQ := (- fst (snd px) * num * num * ZtoAQ (Zpos (Pos.pred (fst px)~0)), snd (snd px) * den * den * ZtoAQ (Zpos (fst px)~1)).
imports: MathClasses.interfaces.abstract_algebra MathClasses.theory.nat_pow MathClasses.theory.int_pow CoRN.algebra.RSetoid CoRN.stdlib_omissions.Q CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.reals.fast.CRarctan_small CoRN.reals.fast.CRarctan CoRN.reals.fast.CRstreams CoRN.reals.fast.CRAlternatingSum CoRN.reals.faster.ARAlternatingSum CoRN.reals.faster.ARsin CoRN.reals.faster.ARArith