Statement:

The existence of a non-principal ultrafilter: There exists an infinite set \(X\) and a non-principal ultrafilter on \(X\).

Howard_Rubin_Number: 206

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

This form's transferability is: Transferable

This form's negation transferability is: Unknown

Article Citations:
Blass-1977b: A model without ultrafilters

Book references

Note connections:

The following forms are listed as conclusions of this form class in rfb1: 223,

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