pseudointersection

A set for which the number of elements that are not in the intersection (of two infinite sets) is finite.

Noun

  1. A set for which the number of elements that are not in the intersection (of two infinite sets) is finite.
    • We investigate which filters on #92;omega can contain towers, that is, a modulo finite descending sequence without any pseudointersection (in #91;#92;omega#93;#92;omega). - 2016, Jörg Brendle, Barnabás Farkas, Jonathan...

Origin

From pseudo- + intersection.

Forms

pseudointersections