http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Equinumerosity -- Paradoxes and Axioms -- Are Sets All There is? -- The Natural Numbers -- Fixed Points -- Well Ordered Sets -- Choices -- Choice’s Consequences -- Baire Space -- Replacement and Other Axioms -- Ordinal Numbers.