EntityQ1403155· pop 8· linked from 61 articlesepsilon numbersSign in to saveordinal number that is the fixed point of the exponentiation mapConnectionsordinal arithmeticEntitycardinal numberEntityordinal numberEntityuncountable setEntitytransfinite inductionEntitymathematicsEntityInternational Standard Book NumberEntitynatural numberEntityequationEntityGeorg CantorEntityDonald KnuthEntitygraph theoryEntityempty setEntitymathematical inductionEntityunionEntityGödel's incompleteness theoremsEntitydomain of a functionEntityJohn Horton ConwayEntitycountable setEntitymonotonic functionEntityCategoriesOrdinal numbers