[현대대수학] 노트정리(整理) / A Few Preliminaries 1. Subse
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작성일 23-05-12 18:22
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2.Ԟ. Bijective map (전단사 사상) A , B sets.
a map injective (1-1)
2. f injective and surjectiveԟ. Cardinality (...
ˆ. Equivalence relation (동치관계) A a set.
2.
. (a,b) { {a}, {a,b} }‡. Relation (관계) A , B sets.
a map surjective (onto)
1.
; Cartesian product of A and B†. Ordered Pairs (순서쌍) A , B sets.
레포트 > 자연과학계열
0.
1. a map
[현대대수학] 노트정리(整理) / A Few Preliminaries 1. Subse
an equivalence relation on A
. notation„. Equality of sets (집합의 상등) A , B sets.
AB={(a,b) }
2.‹. Surjective map (전사 사상) A , B sets.
a map bijective
3. transitive ; a bb c ⇒ a c‰. Function, Map (함수, 사상) A , B sets.
3.Š. Injective map (단사 사상) A , B sets.
A Few Preliminaries 1. Subset (부분집합) A ,...
B a subset of A
A Few Preliminariesƒ. Subset (부분집합) A , B sets.
A=B
설명
A Few Preliminaries 1. Subset (부분집합) A ,...
순서
1. reflexive ; a a
a map
1. a map
1. a map
…. Cartesian Product (카테이션 곱) A , B sets.
2. symmetric ; a b ⇒ b a
a relation from A to B
현대대수학 노트정리 A Few Preliminaries 1. Subse
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다.
