Problem:
Question 1- Determine whether p ? (q ? r) is equivalent to (p ? q) ? r.
Question 2- Determine whether (p ? q) ? (¬p ? q) ? q. (2 points)
Question 3- Show that ¬(p ?¬q) and q ?¬p are equivalent
Part 1- Using a truth table.
Part 2- Using logical equivalences.
Show your calculations, but you do not need to write out any explanation.