1. Ordered Pair :
2. Equality of two ordered pairs :
3. Ordered Triplet :
4. Cartesian Products of Sets :
5. Some Important Theorem for Relation :
6. Relations :
7. Domain of a Relation :
8. Range of a Relation :
9. Co – domain of a Relation :
10. Relation on a Set :
11. Total Number of Relations :
12. Types of Relations from One set to another Set :
(i). Empty Relation :
(ii). Universal Relation :
13. Types of Relations on a Set :
(i). Empty Relation :
(ii). Universal Relation :
(iii). Identity Relation :
(iv). Reflexive Relation :
(v). Symmetric Relation :
(vi). Anti-Symmetric Relation :
(vii). Transitive Relation :
(viii). Inverse Relation :
(ix). Equivalence Relation :
(x). Cartesian Product : If A , B C are three sets , then –
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