Question 1 Determine the line and the reason for the entry on line 3 given the following part of a formal proof of validity: 1. (Р — Q) Л (R— S) PAR .'. Q^S 2. 3. P = Q 4. Q (R= S) ^ (P = Q) 5. 6. A 1...

Question 1<br>Determine the line and the reason for the entry on line 3 given the following part of a formal proof of validity:<br>1. (Р — Q) Л (R— S)<br>PAR<br>.'. Q^S<br>2.<br>3.<br>P = Q<br>4.<br>Q<br>(R= S) ^ (P = Q)<br>5.<br>6.<br>A<br>1 COMMUTATIVITY<br>В<br>1 SIMPLIFICATION<br>1,2 CONSTRUCTIVE DILEMMA<br>(D) 1,2 DESTRUCTIVE DILEMMA<br>

Extracted text: Question 1 Determine the line and the reason for the entry on line 3 given the following part of a formal proof of validity: 1. (Р — Q) Л (R— S) PAR .'. Q^S 2. 3. P = Q 4. Q (R= S) ^ (P = Q) 5. 6. A 1 COMMUTATIVITY В 1 SIMPLIFICATION 1,2 CONSTRUCTIVE DILEMMA (D) 1,2 DESTRUCTIVE DILEMMA

Jun 03, 2022

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Question 1 Determine the line and the reason for the entry on line 3 given the following part of a formal proof of validity: 1. (Р — Q) Л (R— S) PAR .'. Q^S 2. 3. P = Q 4. Q (R= S) ^ (P = Q) 5. 6. A 1...

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