관계,relation

Difference between r1.29 and the current

@@ -1,7 +1,37 @@
정의: [[집합,set]](들)의 cartesian product([[곱집합,product_set]], VG: 곱집합,product_set )의 [[부분집합,subset]]. (mw)
Sub:

//수학
[[합동관계,congruence_relation]]
 
//이하몇개는 [[언어학,linguistics]] [[언어,language]] [[단어,word]] [[기호학,semiotics]] [[ontology]] 쪽.
{
 
[[semantic_relation]] =,semantic_relation . semantic_relation
'''semantic relation'''
https://www.gabormelli.com/RKB/Semantic_Relation
aka conceptual relation. conceptual_relation =,conceptual_relation Ggl:"conceptual relation"
// semantic relation Ggl:"semantic relation"
 
[[word_sense_relation]] =,word_sense_relation . word_sense_relation
[[lexical_relation]] =,lexical_relation . lexical_relation
'''word sense relation'''
'''lexical relation'''
https://www.gabormelli.com/RKB/Word_Sense_Relation (Redirected from lexical relation)
// word sense relation Ggl:"word sense relation"
// lexical relation Ggl:"lexical relation"
 
...tbw
 
}
 
----
<<tableofcontents>>
= Def. =
정의:
[[집합,set]](들)의 cartesian product([[곱집합,product_set]])의 [[부분집합,subset]]. (mw)
''그러니까 이렇게 정의해야 2-relation 말고도 1 3 4 5 ....로 일반화가능한거지? 근데 nullary relation은 그럼? chk Ggl:"nullary relation definition" ...''
= Sub: =
== ([[operand]]?의 개수? arity? 기준으로) 0, 1, 2, .... ==
// 일단 degree(curr [[디그리,degree]]) / arity([[arity]]) / 대상 집합들의 개수 / .... 기준으로

0인 경우도 존재.
@@ -17,18 +47,20 @@
3, 4, ...
일반적 명칭? - Ggl:"n-ary relation" 해보니 나오긴 하는데
QQQ 'k-adic relation' 과 같은 거? ( [[logical_matrix]] 언급에서. https://oeis.org/wiki/Logical_matrix )
cf.

(misc delme) 철자 혼동 주의: ''이하 (in)finitiary 가 아니라 (in)finitary 임''

(유한한 수)
[[finitary_relation]] =,finitary_relation . finitary_relation
finitary relation
{
'''finitary relation'''
https://www.gabormelli.com/RKB/Finitary_Relation
WpEn:Finitary_relation
Ggl:"finitary relation"
--WtEn:finitary_relation-- x 2023-08-22
"finitary relation"
} // finitary relation ... Ggl:"finitary relation"

''그럼 infinitary_relation 라는 것도 존재?''
''그럼 infinitary_relation 라는 것도 존재?'' QQQ
∞ infinitary_relation
infinitary relation
...
@@ -50,25 +82,29 @@

....

== inverse relation ==
[[inverse_relation]] =,inverse_relation . inverse_relation
inverse relation
인버스관계
역관계 ?

WtEn:inverse_relation x [[Date(2023-08-21T03:09:03)]]
WpEn:Inverse_relation - disambig
WpEn:Inverse_relation - disambig page
https://proofwiki.org/wiki/Definition:Inverse_Relation
Bing:"inverse relation"
Ggl:"inverse relation"
[[인버스,inverse]]

== satisfaction relation ==
[[satisfaction_relation]] =,satisfaction_relation . satisfaction_relation
{
satisfaction relation

REL
[[satisfaction]] =,satisfaction . satisfaction {
 
KmsE:satisfaction : ?
만족

이것보다 관련표현인 satisfiability 가 매우 자주 보인다... 아래.
@@ -97,7 +133,18 @@
"satisfaction relation"
} // satisfaction_relation

== one-to-many relation ==
[[one-to-many_relation]] =,one-to-many_relation . one-to-many_relation
{
'''one-to-many relation'''
일대다 관계 ?
 
https://www.gabormelli.com/RKB/One-to-Many_Relation
[[이항관계,binary_relation]]의 일종

} // one-to-many relation Ggl:"one-to-many relation"
 
== many-to-one relation ==
[[many-to-one_relation]] =,many-to-one_relation . many-to-one_relation
{
many-to-one relation
@@ -109,8 +156,10 @@
Ggl:"many-to-one relation"
}

== many-to-many relation ==
[[many-to-many_relation]] =,many-to-many_relation . many-to-many_relation
{
many-to-many relation
다대다 관계?

Ndict:"다대다 관계"
@@ -119,6 +168,7 @@
Ggl:"many-to-many relation"
}

== relational structure ==
[[relational_structure]] =,relational_structure . relational_structure
{
relational structure
@@ -139,6 +189,7 @@
relational+structure
}

== homogeneous relation / endorelation ==
[[homogeneous_relation]] =,homogeneous_relation . homogeneous_relation
[[endorelation]] =,endorelation . endorelation
{
@@ -155,7 +206,10 @@
Ggl:"homogeneous relation"
}

 
== symmetric relation ==
[[symmetric_relation]] =,symmetric_relation =,symmetric_relation . symmetric_relation
symmetric relation
WtEn:symmetric_relation x([[Date(2023-08-14T19:12:50)]])
https://en.wikipedia.org/wiki/Symmetric_relation
symmetric relation
@@ -165,7 +219,8 @@
"symmetric relation"
Up: [[대칭성,symmetry]]

relation symbol
 
== relation symbol ==
[[relation_symbol]] =,relation_symbol =,relation_symbol . relation_symbol
{
relation symbol
@@ -184,34 +239,70 @@
}


reflection_relation
== reflection relation ==
[[reflection_relation]] =,reflection_relation =,reflection_relation . reflection_relation 
{
반사관계? -
reflection relation
 
WtEn:reflection_relation ?
WpSp:Reflection_relation ?
WpEn:Reflection_relation ?
https://mathworld.wolfram.com/ReflectionRelation.html

translation_relation
Ggl:"reflection relation definition"
}
 
== translation relation ==
[[translation_relation]] =,translation_relation =,translation_relation . translation_relation 
{
translation relation
 
WtEn:translation_relation ?
WpSp:translation_relation ?
WpEn:translation_relation ?
https://mathworld.wolfram.com/TranslationRelation.html
짧고 쉬움

recurrence_relation
"translation relation"
}
 
 
== recurrence relation ==
[[recurrence_relation]] =,recurrence_relation =,recurrence_relation . recurrence_relation 
{
recurrence relation
 
WtEn:recurrence_relation
WpSp:recurrence_relation ?
WpEn:recurrence_relation ?
https://mathworld.wolfram.com/RecurrenceRelation.html
REL
"When ..., known as recurrence_equation { https://mathworld.wolfram.com/RecurrenceEquation.html } s, or sometimes difference_equation s"
(VG: 점화식,recurrence_relation exists .... 다만 페이지를 [[점화관계,recurrence_relation]] [[recurrence_equation]]로 나눌 생각을 나도 하는 중.)
(VG: 점화식,recurrence_relation exists ([[VG:점화식,recurrence_relation]]) .... 다만 페이지를 [[점화관계,recurrence_relation]] [[recurrence_equation]]로 나눌 생각을 나도 하는 중.) 
}

== universal relation ==
[[universal_relation]] =,universal_relation . universal_relation
{
universal relation

''WpEn:Universal_relation redir. to: WpEn:Homogeneous_relation#Particular_homogeneous_relations''
보면 [[empty_relation]] [[identity_relation]]과 cmp tbw
~~WtEn:universal_relation~~ x [[Date(2023-08-22T21:15:01)]]
WpSp:universal_relation ?
"universal relation"
}

[[total_relation]] - cur at [[토털,total]]
== total relation ==
[[total_relation]] - cur at [[토털,total?action=highlight&value=total_relation]]

== closure relation ==
[[closure_relation]] =,closure_relation . closure_relation
{
closure relation
@@ -220,8 +311,12 @@
"closure relation"
}

== transitive relation ==
[[transitive_relation]] - curr at [[트랜지션,transition]]
rel [[transitivity]]

== antireflexive relation ==
aka antireflective_relation ?? chk Ggl:"antireflexive relation antireflexive relation"
[[antireflexive_relation]] =,antireflexive_relation =,antireflexive_relation . antireflexive_relation
{
antireflexive relation
@@ -237,6 +332,37 @@
"antireflexive relation"
}

== sign relation ==
[[sign_relation]] =,sign_relation =,sign_relation . sign_relation
{
sign relation
 
 
[[WtEn:sign_relation]] = https://en.wiktionary.org/wiki/sign_relation x 2023-09-22
WpSp:Sign_relation ?
WpEn:Sign_relation ?
 
Ndict:"sign relation" ?
 
 
Ggl:부호관계 ?
 
[[부호,sign]]??
 
"sign relation"
}
 
== finitary relation ==
'''finitary relation'''
 
finitary_relation
 
MKL [[finitary_operation]]
 
Ggl:"finitary relation" Bing:"finitary relation"
== ADDHERE ==
== ADDHERE ==
== ADDHERE ==
'''''..... ADDHERE ......'''''

= 분야: relation theory ? relational theory ? =
@@ -270,7 +396,7 @@
0 nullary
1 unary
2 binary
3 ternary
3 ternary https://www.gabormelli.com/RKB/Ternary_Relation
일반적으로 n-ary

Compare:
@@ -283,7 +409,7 @@
== '''relation''' vs correspondence ==
[[대응,correspondence]]

== relevance ==
== relation vs relevance ==
[[relevance]] =,relevance . relevance
{
연관성, 적절한 정도, ... 지금 상황에 맞는지 여부를 따지는 그런 뉘앙스가 포함된 듯 한데
@@ -297,6 +423,12 @@
Bing:relevance
relevance
}
== relation vs association ==
[[연관,association]]
'관계있는 것'과 '연관짓는 것'의 차이를 명확히 서술? 을 할까말까?
생각을 해보아야.. 아주 대충만 생각해보면, 어떤 주체subject가 '연관짓는 행동'을 한다면, 그 두 대상은 '관계있는 것'일 [[가능성,possibility]]이 높다.
 
= TAIL =
----
//tmp, delme - 대응관계(?) 라는 [[표현,expression]]에 대해 - '대응'과 '관계'와 '대응관계' 사이 관계를 명확히
{
@@ -326,7 +458,6 @@
[[관계해석relational_calculus]]
----
Twins:
'''VG: 관계,relation'''
https://encyclopediaofmath.org/wiki/Relation
[[Libre:관계]]
[[Libre:관계_(수학)]]
@@ -342,4 +473,6 @@

https://mathworld.wolfram.com/Relation.html

[[VG:관계,relation]]
Up: [[relation_theory]]


Sub:



semantic_relation =,semantic_relation . semantic_relation
semantic relation
https://www.gabormelli.com/RKB/Semantic_Relation
aka conceptual relation. conceptual_relation =,conceptual_relation Ggl:conceptual relation
// semantic relation Ggl:semantic relation

word_sense_relation =,word_sense_relation . word_sense_relation
lexical_relation =,lexical_relation . lexical_relation
word sense relation
lexical relation
https://www.gabormelli.com/RKB/Word_Sense_Relation (Redirected from lexical relation)
// word sense relation Ggl:word sense relation
// lexical relation Ggl:lexical relation

...tbw

}


1. Def.

정의:
집합,set(들)의 cartesian product(곱집합,product_set)의 부분집합,subset. (mw)
그러니까 이렇게 정의해야 2-relation 말고도 1 3 4 5 ....로 일반화가능한거지? 근데 nullary relation은 그럼? chk Ggl:nullary relation definition ...

2. Sub:

2.1. (operand?의 개수? arity? 기준으로) 0, 1, 2, ....

// 일단 degree(curr 디그리,degree) / arity(arity) / 대상 집합들의 개수 / .... 기준으로

0인 경우도 존재.
https://en.wikipedia.org/wiki/Relation_of_degree_zero
"relation of degree zero, 0-ary relation, or nullary relation"
// arity / 디그리,degree / 영,zero

1 unary_relation ?

2 이항관계,binary_relation
3, 4, ...
일반적 명칭? - Ggl:n-ary relation 해보니 나오긴 하는데
QQQ 'k-adic relation' 과 같은 거? ( logical_matrix 언급에서. https://oeis.org/wiki/Logical_matrix )
cf.

(misc delme) 철자 혼동 주의: 이하 (in)finitiary 가 아니라 (in)finitary 임

(유한한 수)
finitary_relation =,finitary_relation . finitary_relation
그럼 infinitary_relation 라는 것도 존재? QQQ
∞ infinitary_relation
infinitary relation
...
ndict x 2023-08-22
Naver:infinitary relation
Bing:infinitary relation
Google:infinitary relation
https://en.wikipedia.org/wiki/Infinitary_relation - doesn't exist - 2023-08-22
별도 항목으로 따로 둔 사전/백과/위키는 없는 듯 하고 대개 finitary_relation 에서 같이 설명함.
See:
https://math.libretexts.org/Bookshelves/Combinatorics_and_Discrete_Mathematics/A_Cool_Brisk_Walk_Through_Discrete_Mathematics_(Davies)/03:_Relations/3.4:_Finite_and_infinite_relations
직접 관련된건 아니지만 see also:
https://en.wikipedia.org/wiki/Infinitary_combinatorics
rel:
무한집합,infinite_set
"infinitary relation"

-1, -2, ..., 유리수, 실수 이런건 meaningless? cardinal_number에만 의미있음? or expandable?

....

2.2. inverse relation

inverse_relation =,inverse_relation . inverse_relation
inverse relation
인버스관계
역관계 ?


2.3. satisfaction relation

satisfaction_relation =,satisfaction_relation . satisfaction_relation
{
satisfaction relation

REL
satisfaction =,satisfaction . satisfaction {


만족

이것보다 관련표현인 satisfiability 가 매우 자주 보인다... 아래.

관련표현
satisfactory adj. 만족스러운
satisfiability n. - 보통 '충족가능성'으로 번역하는 게 대세인듯. // or 충족여부 만족가능성 만족여부 ?? // =,satisfiability =,satisfiability . satisfiability
KmsE:satisfiability x 2023-08-25
WtEn:satisfiability = https://en.wiktionary.org/wiki/satisfiability
https://en.wikipedia.org/wiki/Satisfiability
esp Boolean_satisfiability Boolean satisfiability (이걸 줄여서 SAT ?)
satisfiability_problem =,satisfiability_problem . satisfiability_problem
satisfiability problem (이걸 줄여서 SAT ?)
rel conjunctive_normal 논리곱 정규형 ..
Sub
2-SAT
3-SAT
4-SAT etc
the first known NP-complete problem (Stephen_Cook 1971)
https://mathworld.wolfram.com/Satisfaction.html
}


2.4. one-to-many relation

one-to-many_relation =,one-to-many_relation . one-to-many_relation
{
one-to-many relation
일대다 관계 ?


2.5. many-to-one relation

2.6. many-to-many relation

many-to-many_relation =,many-to-many_relation . many-to-many_relation
{
many-to-many relation
다대다 관계?


2.7. relational structure

2.8. homogeneous relation / endorelation

homogeneous_relation =,homogeneous_relation . homogeneous_relation
endorelation =,endorelation . endorelation
{
homogeneous relation
AKA
endorelation

"on a set X is a binary_relation between X and itself" (we)
즉 동일 집합간 이항관계,binary_relation - cartesian product $\displaystyle X\times X$ 의 subset.



2.9. symmetric relation

symmetric_relation =,symmetric_relation =,symmetric_relation . symmetric_relation
symmetric relation
WtEn:symmetric_relation x(2023-08-15)
https://en.wikipedia.org/wiki/Symmetric_relation
symmetric relation
대칭관계 ?
KmsE:symmetric relation
Ggl:symmetric relation
"symmetric relation"
Up: 대칭성,symmetry


2.10. relation symbol

relation_symbol =,relation_symbol =,relation_symbol . relation_symbol
{
relation symbol
aka: = predicate_symbol = predicate_letter



Bing:relation symbol
Ggl:relation symbol
"relation symbol"
}


2.11. reflection relation

reflection_relation =,reflection_relation =,reflection_relation . reflection_relation
{
반사관계? -
reflection relation




2.12. translation relation

translation_relation =,translation_relation =,translation_relation . translation_relation
{
translation relation



"translation relation"
}


2.13. recurrence relation

recurrence_relation =,recurrence_relation =,recurrence_relation . recurrence_relation
{
recurrence relation


https://mathworld.wolfram.com/RecurrenceRelation.html
REL
"When ..., known as recurrence_equation { https://mathworld.wolfram.com/RecurrenceEquation.html } s, or sometimes difference_equation s"
(VG: 점화식,recurrence_relation exists (VG:점화식,recurrence_relation) .... 다만 페이지를 점화관계,recurrence_relation recurrence_equation로 나눌 생각을 나도 하는 중.)
}

2.14. universal relation

universal_relation =,universal_relation . universal_relation
{
universal relation


"universal relation"
}

2.16. closure relation

closure_relation =,closure_relation . closure_relation
{
closure relation
https://mathworld.wolfram.com/ClosureRelation.html
WtEn:closure_relation x
"closure relation"
}

2.18. antireflexive relation

aka antireflective_relation ?? chk Ggl:antireflexive relation antireflexive relation
antireflexive_relation =,antireflexive_relation =,antireflexive_relation . antireflexive_relation
{
antireflexive relation

https://proofwiki.org/wiki/Definition:Antireflexive_Relation
irreflexive 표현을 쓸 때도 있는데, non-reflexive와 혼동 가능하므로,
WtEn:antireflexive_relation
WpEn:Antireflexive_relation


2.19. sign relation

sign_relation =,sign_relation =,sign_relation . sign_relation
{
sign relation







"sign relation"
}

2.20. finitary relation

finitary relation

finitary_relation


2.21. ADDHERE

2.22. ADDHERE

2.23. ADDHERE

..... ADDHERE ......

3. 분야: relation theory ? relational theory ?

relation theory
"relation theory"

Up:
relation_theory =,relation_theory . relation_theory
{
관계론 관계이론
WtEn:relation_theory
KmsE:relation



... aka relational_theory ?
2023-08-15:
WpEn:Relational_theory - No, [https]nlab에서 여기로 링크했으나 아님.
WpEn:Relation_theory - 페이지없음.

4. MKLINK

4.1. arity

arity =,arity . arity
{
WpEn:Arity - "is the number of arguments or operands taken by a function, operation or relation" 즉 함수,function 펑션,function 연산,operation 관계,relation가 가지는 성질. 자료구조,data_structure or ADT : 배열,array등도?

0 nullary
1 unary
2 binary
3 ternary https://www.gabormelli.com/RKB/Ternary_Relation
일반적으로 n-ary


5. 비슷? cmp.

5.1. relation vs correspondence

5.2. relation vs relevance

relevance =,relevance . relevance
{
연관성, 적절한 정도, ... 지금 상황에 맞는지 여부를 따지는 그런 뉘앙스가 포함된 듯 한데


5.3. relation vs association

연관,association
'관계있는 것'과 '연관짓는 것'의 차이를 명확히 서술? 을 할까말까?
생각을 해보아야.. 아주 대충만 생각해보면, 어떤 주체subject가 '연관짓는 행동'을 한다면, 그 두 대상은 '관계있는 것'일 가능성,possibility이 높다.