Question: Given two compound statements and Y , their truth tables are said to be equal if the entries of each TOW of their final columns

Given two compound statements and Y, their truth tables are said to be equal if the entries of each TOW of their final columns match; assuming the truth values for the propositional variables also match for each row . The truth tables are different otherwise For example, the truth tables for P ^ Q and Pv Q are different , while the truth tables for P ^ Q and (P^Q) v (P^-P) are equal:
Q P^ Q Q Pv Q Q 7P P^-P P^Q (P^Q) V (P^-P) T T F F F FF f IVF F
How many different truth tables of compound statements are there that involve the statements P and Q? Briefly explain why:

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