20 ·---------------· |(O) | | | ·---|---· | | |(O)|(O)| | |---|---|---|---| | |(I)| | | | ·---|---· | |(O) | | ·---------------· pg100 § 4. EX4 _Pairs of Abstract Propositions, proposed as Premisses: Conclusions to be found._ 1. No m are x'; All m' are y. 2. No m' are x; Some m' are y'. 3. All m' are x; All m' are y'. 4. No x' are m'; All y' are m. 5. Some m are x'; No y are m. 6. No x' are m; No m are y. 7. No m are x'; Some y' are m. 8. All m' are x'; No m' are y. 9. Some x' are m'; No m are y'. 10. All x are m; All y' are m'. 11. No m are x; All y' are m'. 12. No x are m; All y are m. 13. All m' are x; No y are m. 14. All m are x; All m' are y. 15. No x are m; No m' are y. 16. All x are m'; All y are m. 17. No x are m; All m' are y. 18. No x are m'; No m are y. 19. All m are x; All m are y'. 20. No m are x; All m' are y. 21. All x are m; Some m' are y. 22. Some x are m; All y are m. 23. All m are x; Some y are m. 24. No x are m; All y are m. 25. Some m are x'; All y' are m'. 26. No m are x'; All y are m. 27. All x are m'; All y' are m. 28. All m are x'; Some m are y. 29. No m are x; All y are m'. 30. All x are m'; Some y are m. 31. All x are m; All y are m. 32. No x are m'; All m are y. 33. No m are x; No m are y. 34. No m are x'; Some y are m. 35. No m are x; All y are m. 36. All m are x'; Some y are m. 37. All m are x; No y are m. 38. No m are x; No m' are y. 39. Some m are x'; No m are y. 40. No x' are m; All y' are m. 41. All x are m'; No y are m'. 42. No m' are x; No y are m. pg101 § 5. EX5 _Pairs of Concrete Propositions, proposed as Premisses: Conclusions to be found._ 1. I have been out for a walk; I am feeling better. 2. No one has read the letter but John; No one, who has _not_ read it, knows what it is about. 3. Those who are not old like walking; You and I are young. 4. Your course is always honest; Your course is always the best policy. 5. No fat creatures run well; Some greyhounds run well. 6. Some, who deserve the fair, get their deserts; None but the brave deserve the fair. 7. Some Jews are rich; All Esquimaux are Gentiles. 8. Sugar-plums are sweet; Some sweet things are liked by children. 9. John is in the house; Everybody in the house is ill. 10. Umbrellas are useful on a journey; What is useless on a journey should be left behind. 11. Audible music causes vibration in the air; Inaudible music is not worth paying for.