29. No x' are m; No m' are y'. No x' are y'. 30. All x are m; All m are y'. All x are y'. 31. All x' are m'; No y' are m'. All x' are y. 32. No x are m; No y' are m'. No x are y'. 33. All m are x'; All y' are m. All y' are x'. 34. All x are m'; Some y are m'. Some y are x. 35. Some x are m; All m are y. Some x are y. 36. All m are x'; All y are m. All y are x'. 37. No m are x'; All m are y'. Some x are y'. 38. No x are m; No m are y'. No x are y'. 39. No m are x; Some m are y'. Some x' are y'. 40. No m are x'; Some y are m. Some x are y. § 7. EX7 _Trios of Concrete Propositions, proposed as Syllogisms: to be examined._ 1. No doctors are enthusiastic; You are enthusiastic. You are not a doctor. 2. Dictionaries are useful; Useful books are valuable. Dictionaries are valuable. 3. No misers are unselfish; None but misers save egg-shells. No unselfish people save egg-shells. 4. Some epicures are ungenerous; All my uncles are generous. My uncles are not epicures. pg108 5. Gold is heavy; Nothing but gold will silence him. Nothing light will silence him. 6. Some healthy people are fat; No unhealthy people are strong. Some fat people are not strong. 7. "I saw it in a newspaper." "All newspapers tell lies." It was a lie. 8. Some cravats are not artistic; I admire anything artistic. There are some cravats that I do not admire. 9. His songs never last an hour; A song, that lasts an hour, is tedious. His songs are never tedious. 10. Some candles give very little light; Candles are _meant_ to give light. Some things, that are meant to give light, give very little. 11. All, who are anxious to learn, work hard; Some of these boys work hard. Some of these boys are anxious to learn. 12. All lions are fierce; Some lions do not drink coffee. Some creatures that drink coffee are not fierce. 13. No misers are generous; Some old men are ungenerous. Some old men are misers. 14. No fossil can be crossed in love; An oyster may be crossed in love. Oysters are not fossils. 15. All uneducated people are shallow; Students are all educated. No students are shallow. 16. All young lambs jump; No young animals are healthy, unless they jump. All young lambs are healthy. 17. Ill-managed business is unprofitable; Railways are never ill-managed. All railways are profitable. 18. No Professors are ignorant; All ignorant people are vain. No professors are vain. pg109 19. A prudent man shuns hyænas; No banker is imprudent. No banker fails to shun hyænas.