Question: Which one is incorrect? A . p ? ? q = p B . p ? ? r = p ? ? ( p r

Which one is incorrect?
A.p??q=p
B.p??r=p??(pr)
C. notpnotqqp
D.pvvq=p
Which one is incorrect? A.p??q=p B.p??r=p??(pr) C. notpnotqqp D.pvvq=p

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