Pseudointersection
noun
noun ·Rare ·Advanced level
Definitions
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)."
Example
More examples"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)."
Etymology
From pseudo- + intersection.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.