If p, q, r are simple propositions,then (p we | vedclass

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(B) The given logical expression is $(p \wedge q) \wedge (q \wedge r) = T$. For the conjunction of two statements to be true,both components must be t

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$p, q, r$ are all true

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(B) The given logical expression is $(p \wedge q) \wedge (q \wedge r) = T$. For the conjunction of two statements to be true,both components must be true. Therefore,$(p \wedge q) = T$ and $(q \wedge r) = T$. For $(p \wedge q) = T$,both $p$ and $q$ must be true. For $(q \wedge r) = T$,both $q$ and $r$ must be true. Since $q$ is true in both cases,and $p$ and $r$ must also be true,it follows that $p, q, r$ are all true.

If $p, q, r$ are simple propositions,then $(p \wedge q) \wedge (q \wedge r)$ is true,then:

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