You are given two sets such that a set is not a subset of the other. If you have to prove this, how do you prove?
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Let you are given two sets A and B.
And you have to show B is not a subset of A.
Show that there is an element in B which is not in A.
"Or" find an element x such that [ (x∈B) and (x∉A) ]
And you have to show B is not a subset of A.
Show that there is an element in B which is not in A.
"Or" find an element x such that [ (x∈B) and (x∉A) ]
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