proposition: Lemma __deprecated__itv_oninfty_pinfty : `]-oo%E, +oo[%classic = ~` [set -oo]%E :> set (\bar R).
proof: Proof. by rewrite itv_oNyy. Qed.
imports: mathcomp(all_ssreflect ssralg ssrnum ssrint interval) mathcomp(finmap fingroup perm rat) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality fsbigop) reals ereal signed topology numfun normedtype HB(structures) sequences esum measure real_interval realfun exp lebesgue_stieltjes_measure