Ordinal@{A _} := resize_ordinal ' hartogs_number_carrier hartogs_equiv.
From HoTT Require Import TruncType ExcludedMiddle Modalities.ReflectiveSubuniverse abstract_algebra HSet. From HoTT Require Import Universes.Smallness. From HoTT Require Import Spaces.Card. From HoTT.Sets Require Import Ordinals Powers.