멱등성,idempotence

Sub:
멱등함수,idempotent_function
멱등사상,idempotent_morphism - 사상,morphism
idempotent morphism
멱등원,idempotent_element - 원소,element
idempotent element
멱등원, 멱등원소?
ex. WpEn:Boolean_ring 첫 문장에 예시. 불_환,Boolean_ring은 원소가 멱등원만으로 이루어진 환,ring.
https://ko.wikipedia.org/wiki/멱등원
Ggl:idempotent element
멱등법칙,idempotent_law ? - 법칙,law
{
불_대수,Boolean_algebra에서는 다음 둘이 OR/addition? , AND/multiplication? 연산에 대한 idempotent laws.
x+x=x
x·x=x
논리학,logic에서는 다음 둘? / AND/conjunction , OR/disjunction 논리연결사,logical_connective i.e. 연결사,connective i.e. 연산자,operator i.e. 연산,operation 에 대한.
X∧X=X
X∨X=X
집합론,set_theory에서는 다음 둘? / set_intersection set_union 연산에 대한.
A∩A=A
A∪A=A
Up: 멱등성,idempotence 법칙,law
}


idempotent_operator
idempotent operator
https://proofwiki.org/wiki/Definition:Idempotent_Operator
Up: 연산자,operator
// idempotent operator ... Ggl:idempotent operator

idempotent_binary_operator
idempotent binary operator
불_대수,Boolean_algebra에서 ∧ ∨는(i.e. + ·는) 이것.
Ex.
x+x=x
x·x=x
이항연산,binary_operation
연산자,operator > 이항연산자,binary_operator
// idempotent binary operator ... Ggl:idempotent binary operator

complementary_idempotence
complementary idempotence
https://proofwiki.org/wiki/Definition:Complementary_Idempotent
complement
// complementary idempotence ... Ggl:complementary idempotence

complementary_idempotent_operator
complementary idempotent operator
see https://proofwiki.org/wiki/Definition:Complementary_Idempotent
MKL complementary_projection
{
complementary projection
https://proofwiki.org/wiki/Definition:Complementary_Projection
Up: 사영,projection
} // complementary projection ... Ggl:complementary projection
// complementary idempotent operator ... Ggl:complementary idempotent operator

MKL
주기,period#s-5.3 (함수합성에서의 주기?(?))