26 and 31 -(sv w)→g4. ~ (sv w) →g4.ch5. g5.6. g → (c→h)6.7. c h7.Problems 24-29 are all valid arguments. Construct a formal proof foreach argument.24. r S25.~r S26. p→(qvr)27. s(p r)- (p→r)qvr28. p r29. p r In-Class Exercises and Problems for Section 3.1149For Problems 30-39, use the TF method to test each argument for validity.Ifit is valid, construct a formal proof. Ifinvalid, produce a counterexamplechart.30. p r31. w S-wb33. w (pna)~(рла)32. (p9)→r- wkk35. a(dv g)(dv g)→-m34. (pnq)→(rvs)- (rvs)- (pnq)→mam36.-s (p+q)37. (cvd)→q~aa rs(rv w)(rv w)ab acvdpq39. (mv n)→ w38. r w(noa)

26. p -> (q v r) ≡~p v (q v r) = F1 p = F2. Resolution between F1 & F2…

Answered: 26. р > (qvr) qvr

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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