[pg109]19. A prudent man shuns hyænas;
No banker is imprudent.
No banker fails to shun hyænas.

20. All wasps are unfriendly;
No puppies are unfriendly.
Puppies are not wasps.

21. No Jews are honest;
Some Gentiles are rich.
Some rich people are dishonest.

22. No idlers win fame;
Some painters are not idle.
Some painters win fame.

23. No monkeys are soldiers;
All monkeys are mischievous.
Some mischievous creatures are not soldiers.

24. All these bonbons are chocolate-creams;
All these bonbons are delicious.
Chocolate-creams are delicious.

25. No muffins are wholesome;
All buns are unwholesome.
Buns are not muffins.

26. Some unauthorised reports are false;
All authorised reports are trustworthy.
Some false reports are not trustworthy.

27. Some pillows are soft;
No pokers are soft.
Some pokers are not pillows.

28. Improbable stories are not easily believed;
None of his stories are probable.
None of his stories are easily believed.