re 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
Sec. 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.

12. Some holidays are rainy;
Rainy days are tiresome.

13. No Frenchmen like plumpudding;
All Englishmen like plumpudding.

14. No portrait of a lady, that makes her simper or scowl, is
satisfactory;
No photograph of a lady ever fails to make her simper or scowl.

15. All pale people are phlegmatic;
No one looks poetical unless he is pale.

16. No old misers are cheerful;
Some old misers are thin.