∀ x, if P(x) then Q(x) → ∀ a, if ¬P(a) then ¬Q(a). The previous proposition is...?
true
fa...
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Mathematics, 10.07.2021 23:30 antoniomunoz424
∀ x, if P(x) then Q(x) → ∀ a, if ¬P(a) then ¬Q(a). The previous proposition is...?
true
fake
![ansver](/tpl/images/cats/User.png)
Answers: 3
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