fact: Definition PhiR : list R -> PolZ -> R := (Pphi ring0 add mul (InitialRing.gen_phiZ ring0 ring1 add mul opp)).
imports: List Setoid BinPos BinList Znumtheory Morphisms Setoid Bool Algebra_syntax Ncring Ncring_initial Ncring_tac Integral_domain ZArith Lia