This article presents a very famous proof that the square root of 2 cannot be expressed by a rational number.

The target audience is everyone who is interested in the topic or is curious. The Greek proof that there is no rational number whose square equals 2 is one of the great intellectual achievements of humanity and it should be experienced by every educated person (S. J. Axler, Algebra & trigonometry: with student solutions manual, Hoboken, N.J, 2012, p. 4).

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]]>Mathematical induction, a deductive process, is known to be a proof method for proving statements about positive integers. This article provides an overview of this proof technique, ranging from the terminological aspects to the actual description of the proof.

Everyone who is interested in the topic or is curious. In case you’re not familiar with the summation notation: read anyway and don’t be intimidated by it. You should still be able to grasp the concept.

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Here you will find the actual article.

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