Page:Carroll - Game of Logic.djvu/57

§ 2.] {| class=wikitable style="margin-left:auto;margin-right:auto;text-align:center"
 * width=50px height=50px | $$y$$ $$x$$
 * width=50px height=50px | $$x^\prime$$
 * }
 * }

Taking $y$ = "diligent students"; $x$ = "successful";

15. No diligent students are unsuccessful.

16. All diligent students are successful.

17. No students are diligent.

18. There are some diligent, but unsuccessful, students

19. Some students are diligent. [See pp. 60, 1]