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Question 2 (20%) Give a formal proof that the following wff is a tautology by using Conditional Proofs. Do not use Indirect Proofs and do

Question 2 (20%)

Give a formal proof that the following wff is a tautology by using Conditional Proofs. Do not use Indirect Proofs and do not use Tautoligies

.(ABC)(CDA)(CB)

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