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Mathematics
Area of mathematics
Combinatorics
Extremal set theory
Set family
Boolean lattice
2026-09-28
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An up-
set
is
a
family
U
such that
A
∈
U
and
A
⊆
B
imply
B
∈
U
.
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(7)
Boolean lattice
Set family
Extremal set theory
Combinatorics
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2022
/
iii
/
Paper 109
/
2
/
Solution
Synonyms
(1)
codex/increasing-set-family
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