`{PropResizing} {A B : Ordinal} (H : A < B) : A = ↓(bound H) := H.
From HoTT Require Import TruncType ExcludedMiddle Modalities.ReflectiveSubuniverse abstract_algebra. From HoTT Require Import Universes.Smallness. From HoTT Require Import Colimits.Quotient. From HoTT Require Import HSet.