19. All rabbits, that are not greedy, are black; No old rabbits are free from greediness. Univ. is "rabbits"; m = greedy; x = black; y = old. m'_{1}x'_{0} + ym'_{0} ¶ xy'_{1} [Fig. III. i.e. Some black rabbits are not old. 20. Some pictures are not first attempts; No first attempts are really good. Univ. is "things"; m = first attempts; x = pictures; y = really good. xm'_{1} + my_{0} ¶ nothing. [Fallacy of Unlike Eliminands with an Entity-Premiss.] 21. I never neglect important business; Your business is unimportant. Univ. is "business"; m = important; x = neglected by me; y = your. mx_{0} + y_{1}m_{0} ¶ nothing. [Fallacy of Like Eliminands not asserted to exist.] 22. Some lessons are difficult; What is difficult needs attention. Univ. is "things"; m = difficult; x = lessons; y = needing attention. xm_{1} + m_{1}y'_{0} ¶ xy_{1} [Fig. II. i.e. Some lessons need attention. 23. All clever people are popular; All obliging people are popular. Univ. is "people"; m = popular; x = clever; y = obliging. x_{1}m'_{0} + y_{1}m'_{0} ¶ nothing. [Fallacy of Like Eliminands not asserted to exist.] 24. Thoughtless people do mischief; No thoughtful person forgets a promise. Univ. is "persons"; m = thoughtful; x = mischievous; y = forgetful of promises. m'_{1}x'_{0} + my_{0} ¶ x'y_{0} i.e. No one, who forgets a promise, fails to do mischief. _Solutions for § 6._ SL6-B 1. xm_{1} + my'_{0} ¶ xy_{1} [Fig. II.] Concl. right. 2. x_{1}m'_{0} + ym'_{0} Fallacy of Like Eliminands not asserted to exist. 3. xm'_{1} + y'_{1}m'_{0} ¶ xy_{1} [Fig. II.] Concl. right. pg149 4. x_{1}m'_{0} + ym_{0} ¶ x_{1}y_{0} [Fig. I (a).] Concl. right. 5. m'x'_{1} + m'y_{0} ¶ x'y'_{1} [Fig. II.] " 6. x'm_{0} + y_{1}m_{0} Fallacy of Like Eliminands not asserted to exist. 7. m'x'_{1} + y'_{1}m_{0} Fallacy of Unlike Eliminands with an Entity-Premiss. 8. m'x'_{0} + y'_{1}m_{0} ¶ y'_{1}x'_{0} [Fig. I (a).] Concl. right. 9. mx'_{1} + my_{0} ¶ x'y'_{1} [Fig. II.] " 10. m'_{1}x_{0} + m'_{1}y'_{0} ¶ x'y_{1} [Fig. III.] " 11. x_{1}m_{0} + ym_{1} ¶ x'y_{1} [Fig. II.] " 12. xm_{0} + m'y'_{0} ¶ xy'_{0} [Fig. I.] " 13. xm_{0} + y'_{1}m'_{0} ¶ y'_{1}x_{0} [Fig. I (a).] " 14. m'_{1}x_{0} + m'_{1}y'_{0} ¶ x'y_{1} [Fig. III.] " 15. mx'_{1} + y_{1}m_{0} ¶ x'y'_{1} [Fig. II.] " 16. x'm_{0} + y'_{1}m_{0} Fallacy of Like Eliminands not asserted to exist. 17. m'x_{0} + m'_{1}y_{0} ¶ x'y'_{1} [Fig. III.] Concl. right. 18. x'm_{0} + my_{1} ¶ xy_{1} [Fig. II.] " 19. mx'_{1} + m_{1}y'_{0} ¶ x'y_{1} [ " ] " 20. x'm'_{0} + m'y'_{1} ¶ xy'_{1} [ " ] " 21. mx_{0} + m_{1}y_{0} ¶ x'y'_{1} [Fig. III.] "