Keywords

#pseudo-intersection

Pseudo-intersection

In mathematical set theory, a pseudo-intersection of a family of sets is an infinite set S such that each element of the family contains all but a finite number of elements of S. The pseudo-intersection number, sometimes denoted by the fraktur letter š¯”­, is the smallest size of a family of infinite subsets of the natural numbers that has the strong finite intersection property but has no pseudo-intersection.

Mon 4th

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Pseudo-intersection Glossary of set theory Lineā€“line intersection Trilateration Pseudo-Euclidean space Quantum pseudo-telepathy Ī“-space Conical intersection Perfect complex Intersection of a polyhedron with a line
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