Find all lower bounds of $\{15,45\}.($Check all that apply.$)$

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$!$

Required information

NOTE: This is a multi$-$part question. Once an answer is submitted, you will be unable to return to this part. Answer the following questions for the poset $,$ I$).$

Find all lower bounds of $\{15,45\}.($Check all that apply.$)$

$($You must provide an answer before moving to the next part.$)$

Check All That Apply

$3$

$9$

Prev.

${23}^{co}24$

of $31$

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