English Explanatory Dictionary

Hartogs number

English dictionary entry

Meanings

noun
  1. For a given set X, the cardinality of the least ordinal number α such that there is no injection from α into X.

Word forms

Hartogs number Hartogs numbers Hartogs' number

Etymology

After German-Jewish mathematician Friedrich Hartogs (1874–1943).

Related words

equipotent Hartogs function
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