In order that a relation R defined on a ...

In order that a relation R defined on a non-empty set A is an equivalence relation. It is sufficient, if R

is reflective

is symmetric

is transitive

possesses all the above three properties

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OBJECTIVE RD SHARMA ENGLISH-CARTESIAN PRODUCT OF SETS AND RELATIONS -Exercise

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Let n be a fixed positive integer. Define a relation R on Z as follows...
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Let L denote the set of all straight lines in a plane. Let a relation ...
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