Page:Carroll

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§ 2.]

CROSS QUESTIONS.

41

{| 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]

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