zegangke7394 zegangke7394

08-04-2024
Mathematics

contestada

Select the argument that is invalid

a. P ↔ q
P v q
∴p
b. p
q
∴p ↔ q
c. p → q
p v q
∴p
d. p v q
-q
∴p ∧ -q

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