The relation R in the set {1, 2, 3} give...

The relation R in the set {1, 2, 3} given by R = {(1, 2), (2, 1)} is not symmetric.

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Consider the set A = {1, 2, 3} and the relation R = {(1, 2), (1, 3)}. ...
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Let A be a finite set. Then, each injective function from A into itsel...
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Every relation which is symmetric and transitive is also reflexive.
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An integer m is said to be related to another integer n if m is a inte...
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Let A = {0, 1} and N be the set of natural numbers. Then the mapping f...
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The relation R on the set A = {1, 2, 3} defined as R = {(1, 1), (1, 2)...
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A relation R in A is said to be transitive if a R b and b R c rArr a R...
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The relation R in the set {1, 2, 3} given by R = {(1, 2), (2, 1)} is n...
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Let R be the relation in the set N given by R = {(a, b) : a = b – 2, b...
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A function f:X to Y is said to be bijective, if f is both one-one and ...
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Show that the function f: N rarrN given by f(x)= 3x is one-one but not...
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