proposition: Lemma edivrP : forall a b, edivr_spec (@enorm _) a b (edivr a b).
proof: Proof. exact: edivP. Qed.
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