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Math Help - test

  1. #1
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    test

    test
    Last edited by aliceinwonderland; January 27th 2009 at 02:32 PM.
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  2. #2
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    Quote Originally Posted by aliceinwonderland View Post
    Below is my attempt: (I can't guarantee that it is 100% correct.)

    a) There is a student in this class who can speak Hindu.
    \exists x(Student(x) \wedge Speaks(x, Hindu))

    b) Every Student in this class plays some sport.
    \forall x(Student(x) \rightarrow \existsy(Play(x,y) \wedgeSport(y))

    c)Some student in this class have visited Alaska but have not visited Hawaii.
    \exists x(Student(x) \wedgeVisited(x, Alaska) \wedge \negVisited(x, Hawaii))

    d)All students in this class have learned at least one programming language.
    \forall x(Student(x) \rightarrow \existsy(Learned(x,y) \wedgeProgLanguage(y))

    e)There is a student in this class who has taken every course offered by one of the departments in this school.
    \exists x(Student(x) \wedge \forall y \exists z((Taken(x,y) \wedgeCourse(y)) \rightarrow(OfferedBy(y,z) \wedgeDepartment(z)))

    f)Some students in this class grew up in the same town as exactly one other student in this class.
    \exists x \exists y \exists z(Student(x) \wedgeStudent(z) \wedgeGrewup(x,y)) \wedgeGrewup(z,y) \wedgeTown(y)) \wedge (x \neg = z))

    g)Every student in this class has chatted with one other student in at least one chat group.
    \forall x(Student(x) \wedgeChatted(x,y)) \wedge MemberOf(x,z) \wedgeChatgroup(z) \rightarrow (y \neg = z) \rightarrow \negChatted(x,z))
    You can put regular text in your latex code using the command \text{whatever you want to say}. It makes the text fit in a lot better with the other latex symbols.

    \exists x| (\text{Student}(x)\wedge \text{Speaks}(x, \text{Hindu}))

    This means you can fit your statements into one continuous code without having to break it up into pieces.

    Click it to see the code.
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  3. #3
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    Quote Originally Posted by Mush View Post
    You can put regular text in your latex code using the command \text{whatever you want to say}. It makes the text fit in a lot better with the other latex symbols.

    \exists x| (\text{Student}(x)\wedge \text{Speaks}(x, \text{Hindu}))

    This means you can fit your statements into one continuous code without having to break it up into pieces.

    Click it to see the code.
    thanks
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