Examples

$A = (1, 2, 3)$ , $B = (3, 4, 5)$

Step 1

$A$ is not a subset of $B$ , therefore it also not a proper subset.

$A = (1, 2, 3)$ is not a proper subset of $B = (3, 4, 5)$

Enter YOUR Problem

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$