-- Cardinal theory -- Part of Cumulus, the Grace17 mathematics library. -- Copyright (c) 2026 Grant Passmore. -- Released under the Apache License 2.0. See LICENSE in the repository root. -- Authors: Grant Passmore module Grace.Cumulus.Cardinal import Hartogs import Countable import LeastCode import Enumeration import FiniteUnion import FiniteSubsets import PermutationExchange import InversionExchange import CountableClosure import PowersetCount import Dominance import NaturalSum import NaturalSumLaws import Pigeonhole import DoubleCounting import SumParity import Handshake import IndicatorSum import InclusionExclusion import Parity