Dec 11 2011 nbsp 0183 32 I m a little confused how that is relevant to a direct proof of showing that the set of all integers is closed Edit Actually if the statement is vacuously true then it actually shows. May 18 2025 nbsp 0183 32 where x leq x 2 u leq u 2 lt u 2 v 2 d This means that we have found an equation of the same form as our original one with a strictly lesser right hand side This cannot
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