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Math Help - Help with Real Number System?

  1. #1
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    Exclamation Help with Real Number System?


    If anyone could help me explain this, it would be great. My teacher explained it to me, but he kinda rushed up so I didn't really get a whole lot.
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by nathan02079 View Post

    If anyone could help me explain this, it would be great. My teacher explained it to me, but he kinda rushed up so I didn't really get a whole lot.
    the real numbers is the set that includes the irrational, rationals, integers, whole numbers and natural numbers. that is, all those sets are subsets of the reals.

    so the real numbers are made up of rational and irrational numbers. the irrationals are by themselves. the rationals though include other sets. the integers are a subset of the irrationals, the whole numbers are a subset of the integers (they are pretty much the same thing. i guess we wouldn't call 0 a whole number which is the reason for the distinction), the natural numbers are a subset of the integers (natural numbers are positive integers). so that's it. the diagram is just showing how the different sets of numbers relate to each other, i.e. which set contains which
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