proposition: Lemma nbhs_infty_ge N : \forall n \near \oo, (N <= n)%N.
proof: Proof. by exists N. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed