Question: Construct truth tables for the following wffs. Note any tautologies or contradictions. a. (A ightarrow(B ightarrow A)) b. (A wedge B leftrightarrow B^{prime}

Construct truth tables for the following wffs. Note any tautologies or contradictions.
a. $A \rightarrow(B \rightarrow A)$
b. $A \wedge B \leftrightarrow B^{\prime} \vee A^{\prime}$
c. $\left(A \vee B^{\prime}\right) \wedge(A \wedge B)^{\prime}$
d. $\left[(A \vee B) \wedge C^{\prime}\right] \rightarrow A^{\prime} \vee C$
e. $A^{\prime} \rightarrow\left(B \vee C^{\prime}\right)$

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