공통 부분, 

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

Euclidean_geometry :
 평행이 아닌 두 직선이 만나는 [[점,point]] 교점 교차점 ...
 교선
 Ggl:교면 ?
 Ggl:교공간 ??

[[사건,event]]일 경우 Ggl:교사건 

WtEn:intersection

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

Sub:

[[intersection_theory]] (math)
=,intersection_theory . intersection_theory
{
intersection theory
WtEn:intersection_theory

MKL [[intersection_product]] [[Bezout_theorem]] { '''Bézout's theorem''' ----https://ko.wikipedia.org/wiki/베주_정리 [[WpEn:Bézout%27s_theorem]] = https://en.wikipedia.org/wiki/Bézout%27s_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
WtEn:intersection_product

intersection+product
}

Cmp: 유니온 유니언 =,union . {

set_union - cmp set_intersection
 합집합

합사건

}

교차수 (wk)
KmsK:교차수
intersection_number =,intersection_number .
intersection number
intersection+number
WpKo:교차수
...Ndict:교차수
intersection number
intersection+number

----
MKL
[[미트,meet]] =,meet .
{
Sub:
meet-semilattice WtEn:meet-semilattice WpEn:meet-semilattice Ggl:meet-semilattice

CMP: [[조인,join]] =,join .
{
Sub:
join-semilattice WtEn:join-semilattice (x) WpEn:join-semilattice Ggl:meet-semilattice


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

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