according to HomeworkLib policy i answered first question.sry i can't answer more.
Instructions: For each of the following argument forms, complete a proof of validity, by natural deduction, USING ALL 19 RULES OF INFERENCE. Please note that some of the proofs may allow for alt...
Instructions: For each of the following argument forms, complete a proof of validity, by natural deduction, USING ALL 19 RULES OF INFERENCE. Please note that some of the proofs may allow for alternative sequences of steps. Other than that, there is only one proof possible for each argument form. If a proof is without error, then answer CORRECT, on the CANVAS TEST 4/FINAL page. If there is any error in a proof, then answer THE LINE ON WHICH THE ERROR...