You have probably noticed that the sum of two odd integers is always an even integer
Chapter 13, Problem 23(choose chapter or problem)
You have probably noticed that the sum of two odd integers is always an even integer. The rule 2n generates even integers and the rule 2n 1 generates odd integers. Let 2n 1 and 2m 1 represent any two odd integers, and prove that the sum of two odd integers is always an even integer.
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