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    truth-values of a-c on the following interpretation.

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    5. Determine the truth-values of a-c on the following interpretation.

    UD: Set of U.S. cities
    Bxyz: x is between y and z
    n: New York City
    c: Chicago
    s: San Francisco

    a. Bnsc v Bsnc
    b. (Ax)Bxcs > (Ex) ~ Bxcs
    c. (Ax)(~ Bxsc = Bscn)

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    Solution Preview

    (I assume that 'between' refers to a west-east direction rather than (e.g.) a north-south direction.)

    a. Bnsc v Bsnc

    NY is between San Fran. and Chicago, or, San F. is between NY and Chicago
    Truth-value = False. (Both disjuncts are false.)

    b. (Ax)Bxcs > (Ex) ~ Bxcs

    If every U.S. city is between Chicago and ...

    Solution Summary

    This job determines the truth-values of a-c on the following interpretation.

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