proposition: Lemma ge_pinfty b : (+oo <= b) = (b == +oo).
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)