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Proof Writing example

  1. Feb 1, 2013 #1
    How do you start a proof for "Show 4 < 5"???
  2. jcsd
  3. Feb 1, 2013 #2


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    State the definitions of 4, 5 and <.
  4. Feb 1, 2013 #3


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    I would start by proving 1 > 0, and then prove that if you add the same number to both sides of the inequality, it remains true.
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