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rxh140630
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  • Science Advisor
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    Welcome to PhysicsForums,

    I saw your question about 0.9999... from June. You mentioned wanting to use "proof by contradiction".

    Proof by contradiction is one tool to use when proving something. Sometimes it's the simplest.
    It's not the only tool that can be used in proofs, and sometimes the other tools are better.


    David Scott
    rxh140630
    rxh140630
    Thanks David Scott, I will be trying to use other methods as well.
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