fact: Definition irredr a := ((a == 0 = false) * (a %= 1 = false) * (forall b c, a %= b * c -> (b %= 1) || (c %= 1))%R)%type.
imports: HB(structures) Coq(ssreflect ssrfun ssrbool Arith.Wf_nat) mathcomp(eqtype ssrnat div seq path) mathcomp(ssralg fintype perm tuple choice generic_quotient) mathcomp(matrix bigop zmodp mxalgebra poly) stronglydiscrete