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Ineffable cardinal

Index Ineffable cardinal

In the mathematics of transfinite numbers, an ineffable cardinal is a certain kind of large cardinal number, introduced by. [1]

11 relations: Cardinal number, Equiconsistency, Homogeneous (large cardinal property), Large cardinal, List of large cardinal properties, Mathematics, Power set, Remarkable cardinal, Stationary set, Subtle cardinal, Transfinite number.

Cardinal number

In mathematics, cardinal numbers, or cardinals for short, are a generalization of the natural numbers used to measure the cardinality (size) of sets.

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Equiconsistency

In mathematical logic, two theories are equiconsistent if the consistency of one theory implies the consistency of the other theory, and vice versa.

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Homogeneous (large cardinal property)

In set theory and in the context of a large cardinal property, a subset, S, of D is homogeneous for a function f if for some natural number n, \mathcal_(D) (see Powerset#Subsets of limited cardinality) is the domain of f and for some element r of the range of f, every member of \mathcal_(S) is mapped to r. That is, f is constant on the unordered n-tuples of elements of S.

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Large cardinal

In the mathematical field of set theory, a large cardinal property is a certain kind of property of transfinite cardinal numbers.

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List of large cardinal properties

This page includes a list of cardinals with large cardinal properties.

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Mathematics

Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") is the study of such topics as quantity, structure, space, and change.

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Power set

In mathematics, the power set (or powerset) of any set is the set of all subsets of, including the empty set and itself, variously denoted as, 𝒫(), ℘() (using the "Weierstrass p"),,, or, identifying the powerset of with the set of all functions from to a given set of two elements,.

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Remarkable cardinal

In mathematics, a remarkable cardinal is a certain kind of large cardinal number.

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Stationary set

In mathematical set theory and model theory, a stationary set is one that is not too small in the sense that it intersects all club sets, and is analogous to a set of non-zero measure in set theory.

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Subtle cardinal

In mathematics, subtle cardinals and ethereal cardinals are closely related kinds of large cardinal number.

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Transfinite number

Transfinite numbers are numbers that are "infinite" in the sense that they are larger than all finite numbers, yet not necessarily absolutely infinite.

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Redirects here:

Almost ineffable cardinal, Totally ineffable cardinal.

References

[1] https://en.wikipedia.org/wiki/Ineffable_cardinal

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