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Q.3 Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are incorrect and why?

(xi) \left \{ \phi \right \} \subset A

Answers (1)

\phi \subset { 1, 2, { 3, 4 }, 5 }. but \phi is not an element  of { 1, 2, { 3, 4 }, 5 }.

\left \{ \phi \right \} \not\subset A

Hence,the above statement is incorrect.

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Safeer PP

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