fact: Definition Int_of_PI := mkInterpretation D0 (fun f => peval_D (PI_WM f)).
imports: CoLoR(ATerm ABterm ListUtil VecUtil PositivePolynom AInterpretation ZUtil NaryFunction ARelation RelUtil LogicUtil SN Polynom MonotonePolynom NatUtil ATrs BoundNat AWFMInterpretation ZUtil ACompat AMannaNess)