If f(x)=x is my friend, and p(x)=x is perfect, then the correct logical translation of the statement "some of my friends are not perfect" is:
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Correct answer: B. ∃x (f(x) ∧ ¬p(x))
Explanation
'Some of my friends are not perfect' = there is an x that is my friend and not perfect: ∃x (f(x) ∧ ¬p(x)).
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