Hartogs number
Sign in to saveAlso known as Hartogs ordinal
given a set, the least ordinal such that there is no injection from the ordinal into the set
In the Vinony graph
Within Vinony's link graph, Hartogs number is referenced by 19 other articles, and connects out to ordinal number, class and well-order.
Vinony files it under Cardinal numbers and Set theory.
Its subject is documented across 10 Wikipedia language editions.
Connections
ordinal number
Entity
class
Entity
well-order
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axiom schema of replacement
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mathematics
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International Standard Book Number
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set theory
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set
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digital object identifier
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injection
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cardinality
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power set
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axiom of choice
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binary relation
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reflexive relation
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Q22908627
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aleph number
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Zermelo–Fraenkel set theory
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mapping
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well-ordering theorem
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