A. create a truth table for each of the following two expressions. use one column in the table for each operator in the expression. order the columns by the order of operations. you will find it useful to insert parentheses to show the order of operations before you start orn the problem. 1b. use the truth table you created for each expression to determine whether the expression is a contradiction, tautology, or neither. 1c. are the two expressions logically equivalent? joining the two truth tables you created in part 1c. with the bi-conditional and then filling in the truth values in the bi-conditional column, as below: justify your answer by and valtues in the bi-conditional coln, as