Prove using a logical equivalence proof that (a rightarrow b) (b rightarrow a) a b Consider the following premises: a b (b h) rightarrow d (a e) rightarrow p ~d ~b rightarrow (g r) e. a. Given these premises, what do we know about the truth of the proposition p? Give clear evidence of your answer (e.g., a formal proof). b. Given these premises, what do we know about the truth of the proposition q? Give clear evidence of your answer (e.g., a form proof.)