proposition: Lemma lt_ninfty b : (b < -oo) = false.
proof: Proof. by case: b => // -[]. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(div fintype bigop order ssralg finset fingroup) mathcomp(ssrnum)