PART A: Well-Formed Formulas? Which of the following are well- EXERCISE 9.1 formed formulas (WFFS)? Which are not? 1. (x)Ax 19. (x)((Fx v Gx)→ Hx) 20. (Q• (Rg v (x)Ex)) 21. (3x)Ba * 10. (3z) (Sx • Rz) 2. (x)(Ax) 11. (Ju)Gu 3. ~(3y)By 12. (w)(~Dw) 4. (a)Ca 13. (P • (x)Fx) 22. (z)M 23. (3y)Gx 24. (3x)(3x)Fx 5. (z)~Tz 14. (x)Gx (x)Nx) 6. (~x)Hx 7. ~(x)~Jx 15. (y) (My → ~Oy) * 25. (y)(3x)Sxy 16. ~b 17. (y)(Hy v (3y)Fy) 18. (y)Ry v (3z)~Sz) 8. Cx 9. (z)P~z
PART A: Well-Formed Formulas? Which of the following are well- EXERCISE 9.1 formed formulas (WFFS)? Which are not? 1. (x)Ax 19. (x)((Fx v Gx)→ Hx) 20. (Q• (Rg v (x)Ex)) 21. (3x)Ba * 10. (3z) (Sx • Rz) 2. (x)(Ax) 11. (Ju)Gu 3. ~(3y)By 12. (w)(~Dw) 4. (a)Ca 13. (P • (x)Fx) 22. (z)M 23. (3y)Gx 24. (3x)(3x)Fx 5. (z)~Tz 14. (x)Gx (x)Nx) 6. (~x)Hx 7. ~(x)~Jx 15. (y) (My → ~Oy) * 25. (y)(3x)Sxy 16. ~b 17. (y)(Hy v (3y)Fy) 18. (y)Ry v (3z)~Sz) 8. Cx 9. (z)P~z
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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