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

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

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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 COMMUTATIVITY В 1 SIMPLIFICATION 1,2 CONSTRUCTIVE DILEMMA (D) 1,2 DESTRUCTIVE DILEMMA
Transcribed Image 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
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