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Page:Carroll - Game of Logic.djvu/91

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§ 7.]
75
BOTH DIAGRAMS EMPLOYED.
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    Let "persons" be Universe; = "patient"; = "children"; = "that can sit still".

    No are ;
    No are .
    ∴ No are .

    i.e. No children can sit still.

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    Let "things" be Universe; = "fat": = "pigs"; = "skeletons".

    All are ;
    No are .
    ∴ All are .

    i.e. All pigs are not-skeletons.

[See pp. 52, 3]