22. x'_{1}m'_{0} + ym'_{1} ¶ xy_{1} [Fig. II.] Concl. wrong: the right one is "Some x are y." 23. m_{1}x'_{0} + m'y'_{0} ¶ x'y'_{0} [Fig. I.] Concl. right. 24. x_{1}m_{0} + m'_{1}y'_{0} ¶ x_{1}y'_{0} [Fig. I (a).] " 25. xm'_{0} + m_{1}y'_{0} ¶ xy'_{0} [Fig. I.] " 26. m_{1}x_{0} + y_{1}m'_{0} ¶ y_{1}x_{0} [Fig. I (a).] " 27. x_{1}m'_{0} + my'_{0} ¶ x_{1}y'_{0} [ " ] " 28. x_{1}m'_{0} + y'm'_{0} Fallacy of Like Eliminands not asserted to exist. 29. x'm_{0} + m'y'_{0} ¶ x'y'_{0} [Fig. I.] Concl. right. 30. x_{1}m'_{0} + m_{1}y_{0} ¶ x_{1}y_{0} [Fig. I (a).] " 31. x'_{1}m_{0} + y'm'_{0} ¶ x'_{1}y'_{0} [ " ] " 32. xm_{0} + y'm'_{0} ¶ xy'_{0} [Fig. I.] " 33. m_{1}x_{0} + y'_{1}m'_{0} ¶ y'_{1}x_{0} [Fig. I (a).] " 34. x_{1}m_{0} + ym'_{1} Fallacy of Unlike Eliminands with an Entity-Premiss. 35. xm_{1} + m_{1}y'_{0} ¶ xy_{1} [Fig. II.] Concl. right. 36. m_{1}x_{0} + y_{1}m'_{0} ¶ y_{1}x_{0} [Fig. I (a).] " 37. mx'_{0} + m_{1}y_{0} ¶ xy'_{1} [Fig. III.] " 38. xm_{0} + my'_{0} Fallacy of Like Eliminands not asserted to exist. 39. mx_{0} + my'_{1} ¶ x'y'_{1} [Fig. II.] Concl. right. 40. mx'_{0} + ym_{1} ¶ xy_{1} [Fig. II.] " pg150 _Solutions for § 7._ SL7-B 1. No doctors are enthusiastic; You are enthusiastic. You are not a doctor. Univ. "persons"; m = enthusiastic; x = doctors; y = you. xm_{0} + y_{1}m'_{0} ¶ y_{1}x_{0} [Fig. I (a). Conclusion right. 2. Dictionaries are useful; Useful books are valuable. Dictionaries are valuable. Univ. "books"; m = useful; x = dictionaries; y = valuable. x_{1}m'_{0} + m_{1}y'_{0} ¶ x_{1}y'_{0} [Fig. I (a). Conclusion right. 3. No misers are unselfish; None but misers save egg-shells. No unselfish people save egg-shells. Univ. "people"; m = misers; x = selfish; y = people who save egg-shells. mx'_{0} + m'y_{0} ¶ x'y_{0} [Fig. I. Conclusion right. 4. Some epicures are ungenerous; All my uncles are generous. My uncles are not epicures. Univ. "persons"; m = generous; x = epicures; y = my uncles. xm'_{1} + y_{1}m'_{0} ¶ xy'_{1} [Fig. II. Conclusion wrong: right one is "Some epicures are not uncles of mine." 5. Gold is heavy; Nothing but gold will silence him. Nothing light will silence him. Univ. "things"; m = gold; x = heavy; y = able to silence him. m_{1}x'_{0} + m'y_{0} ¶ x'y_{0} [Fig. I. Conclusion right. 6. Some healthy people are fat; No unhealthy people are strong. Some fat people are not strong. Univ. "people"; m = healthy; x = fat; y = strong. mx_{1} + m'y_{0} No Conclusion. [Fallacy of Unlike Eliminands with an Entity-Premiss.] 7. I saw it in a newspaper; All newspapers tell lies. It was a lie.