공통 부분,

집합,set 집합론,set_theory: 교집합,intersection - set_intersection

Euclidean_geometry :
사건,event일 경우 교사건

intersection

Intersection = https://en.wikipedia.org/wiki/Intersection

Sub:

intersection_theory (math)
=,intersection_theory . intersection_theory
{
intersection theory
intersection_theory

MKL intersection_product Bezout_theorem { Bézout's theorem ----https://ko.wikipedia.org/wiki/베주_정리 Bézout's_theorem = https://en.wikipedia.org/wiki/Bézout's_theorem }

https://en.wikipedia.org/wiki/Intersection_theory
https://ncatlab.org/nlab/show/intersection theory
Up: algebraic_geometry
intersection+theory
}

intersection_product
intersection_product =,intersection_product .
{
intersection product
intersection_product

intersection+product
}

Cmp: 유니온 유니언 =,union . {

set_union - cmp set_intersection
합사건

}

교차수 (wk)
교차수
intersection_number =,intersection_number .
intersection number
intersection+number
교차수
...교차수
intersection number
intersection+number

MKL
미트,meet =,meet .
{
Sub:
meet-semilattice meet-semilattice meet-semilattice meet-semilattice

CMP: 조인,join =,join .
{
Sub:
join-semilattice join-semilattice (x) join-semilattice meet-semilattice

semitwin: https://en.wikipedia.org/wiki/Join_and_meet
}

meet
Meet
semitwin: https://en.wikipedia.org/wiki/Join_and_meet
Up: order_theory > lattice_theory{ MKL 래티스,lattice }
}