Examine true or false — task. Mathematics State Board, Class 9.

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{4, 11} \subset {1, 4, 7}

{7, 8, 4, 1} \subseteq {1, 8, 4, 7}

{\emptyset, j} ⊄ {c, f, g, j}

Did you find an error?

6. Examine true or false