Page:Carroll - Game of Logic.djvu/63

This page has been validated.

§ 5.]

CROSS QUESTIONS.

47

Taking "boys" as Universe; $x$ = "fat"; $y$ = "active"; interpret

1 1
0

1
0 1

0
1

0 1

Taking "cats" as Universe; $x$ = "green-eyed"; $y$ = "good-tempered"; interpret

0 0

0
1

1
1

0
0 1

1 0

[See pp. 65, 6]

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Carroll_-_Game_of_Logic.djvu/63&oldid=11551370"