Question: 6 . 1 ( 7 ) Using the natural deduction rules, give a formal proof that the following three sentences are inconsistent: AvvB notA notB

6.1
(7)
Using the natural deduction rules, give a formal proof that the following three sentences are inconsistent:
AvvB
notA
notB
6.1 (7) Using the natural deduction rules, give a formal proof

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