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show that the set S = {-3, -6, -9,...} has no smallest element. (trying to use...

show that the set S = {-3, -6, -9,...} has no smallest element. (trying to use proof by contradiction and well-ordering property)

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Answer #1

​​​​​​I don't know how to use ''The Well Ordering Principle''. Assuming the existence of a smallest element contradicts the Archimedean Property Of the Real Numbers.

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