Recent content by Xuanwu

  1. X

    Discrete Math Proof n^2 > n +1

    Alright, that makes sense. Issue is I'm not sure if this is the sort of proof I'm meant to be doing for it. I think I'll go bang my head on a book. Thanks.
  2. X

    Discrete Math Proof n^2 > n +1

    Hmm.. explain it to me like I'm 5. I last did math proof type subjects in '99, prior to this my degree has had calculus and stats which I had no issue with.
  3. X

    Discrete Math Proof n^2 > n +1

    Sorry, still not sure how having the form, n(n-1) > 1 for all n > 1, helps me in this?
  4. X

    Discrete Math Proof n^2 > n +1

    Homework Statement For any given n, where n is an element of the natural number set, prove n^2 > n +1, for all n > 1. Homework Equations This week in lecture we defined the greater than relationship as: Let S = Natural numbers Let R = {(a,b): \exists c: a = b+c} then aRb The...
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