Question

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 OCCURS. All skills and methods are demonstrated in the YouTube videos of course lecture. All skills and methods are explicated in the assigned sections of the textbook. You can work on this test, at your leisure, but answers must be submitted, on CANVAS, within the appropriate time span: WITHIN A NINETY MINUTE PERIOD, ANYTIME BETWEEN 12:00PM FRIDAY, 5/31 AND 12:00PM TUESDAY, 6/4. A TEST 4 Quizzes link will be open on the CANVAS course page during that period 2. (S.J) 3. 4. 5. 6. 7.

Answer 1

Proof: eri으 Gtctament Roo.son (o ) sv) pemise premise 6), Demorgan Lao (a), Double negathian rule C4), Commutortive Ci), Consuchive dlilemma. C6), (G), Modus Ponens ule 4 @J vs)つ Thus, the conclusiơn v f's deived from the given premises ond the given co?gurnent 08 valid