Question: 3. Suppose !A=> B and B=!B are both true statements. (a) Derive the value of B using a truth table that has two lines. (It

3. Suppose !A=> B and B=!B are both true statements. (a) Derive the value of B using a truth table that has two lines. (It should not involve A.) Explain why the truth table implies the value of B that you give. (b) Use the fact that an implication propagate True to the right and False to the left to establish the value of A. Explain your reasoning

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