E. Establish the validity of the arguments by completing the formal proofs by supplying explanationsfor each step.[(p → r) a (-p → q) ^ (q → s)] → (~r →s)StepsReasons1. p→r2. -r → -p3. ~р — q4. -r →95. q→s6. :.~r →s

We have to write the reason in blank places.

Answered: E. Establish the validity of the…

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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E. Establish the validity of the arguments by completing the formal proofs by supplying explanations for each step. [(p → r) a (-p → q) ^ (q → s)] → (~r →s) Steps Reasons 1. p-r 2. -r → -p 3. -p →9 4. -r →9 5. q→s 6. :.-r →s