Question: i need help with c and d, I'm having trouble doing the logical equivalences to show that they are true or not. thanks:) 2. For

i need help with c and d, I'm having trouble doing the logical equivalences to show that they are true or not. thanks:)

2. For each of the following logical equivalences state whether it is valid or invalid. If invalid then give a counterexample (e.g., based on a truth assignment). If valid then give an algebraic proof using logical equivalences from Tables 6, 7, and 8 from Section 1.3 of textbook

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