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In number theory, an "elementary proof" usually avoids what?

AUsing any whole numbers
BUsing complex analysis
CUsing any form of logic
DUsing any given symbols
Answer & Solution
Correct answer: B. Using complex analysis
1. An elementary proof uses only basic concepts and methods of the field. 2. In number theory it usually does not resort to complex analysis. 3. It still uses numbers, logic and symbols. _Source: Wikipedia, Glossary of mathematical jargon, Philosophy of mathematics_
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