Statement:

\(C(\aleph_0,\le\aleph_0)\): Every denumerable set of non-empty countable sets  has a choice function.

Howard_Rubin_Number: 32

Parameter(s): This form does not depend on parameters

This form's transferability is: Transferable

This form's negation transferability is: Negation Transferable

Article Citations:
Sierpi'nski-1918: L’axiome de M. Zermelo et son rˆole dans la th´eorie des ensembles et l’analyse

Book references

Note connections:

The following forms are listed as conclusions of this form class in rfb1: 132, 5, 10, 31, 32, 124, 127, 338, 350, 357, 119, 167,

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Complete List of Equivalent Forms

Howard-Rubin Number Statement References
32 A

\(C(\aleph_{0},\aleph_{0})\). Every denumerable set of denumerable sets has a choice function.



32 B

\(PC(\aleph_0,\aleph_0,\infty)\): Every denumerable set of denumerable sets has an infinite subset with a choice function.



32 C

\(PC(WO,\aleph_0,\infty)\): Every infinite well ordered set of denumerable sets has an infinite subset with a choice function.