Determine the line and the reason for the entry on line 3 given the following part ofa formal proof of validity:1. (P=Q) ^ (R= S)РAR..Q^S3.P > Q4.P5.Q6.(R= S) ^ (P= Q)A1 COMMUTATIVITYB1,2 CONSTRUCTIVE DILEMMAC1 SIMPLIFICATIOND) 1,2 DESTRUCTIVE DILEMMA2.

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Answered: Determine the line and the reason for…

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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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) РAR ..Q^S 3. P> Q 4. P 5. Q 6. (R= S) ^ (P = Q) A 1 COMMUTATIVITY B 1,2 CONSTRUCTIVE DILEMMA C 1 SIMPLIFICATION D) 1,2 DESTRUCTIVE DILEMMA 2.