OurBigBook
About
$
Donate
Sign in
Sign up
Down-set
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Combinatorics
Extremal set theory
Set family
Boolean lattice
2026-09-28
0
Like
0 By others
on same topic
0 Discussions
Create my own version
A
down-
set
is
a
family
D
such that
A
∈
D
and
B
⊆
A
imply
B
∈
D
. It is the complement of an
up-set
within the same
Boolean lattice
.
Ancestors
(7)
Boolean lattice
Set family
Extremal set theory
Combinatorics
Area of mathematics
Mathematics
Home
View article source
Discussion
(0)
Subscribe (1)
New discussion
There are no discussions about this article yet.
Articles by others on the same topic
(0)
There are currently no matching articles.
See all articles in the same topic
Create my own version