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INNOVATIONS IN SCIENCE AND TECHNOLOGY
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APPLICATION FORM
XV All-Ukrainian Students R&D Internet Conference 2015
Innovations in Science and Technology
Deadline: November, 10
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WHY 2x2=4, MATHEMATICALLY
Tetyana Ivanova
Faculty of Physical Engineering, NTUU KPI
Every one has heard this expression. Every one knows that this equal is truth. But barely few of us can prove it mathematically. Understanding of this article will improve your math skills and knowledge about natural numbers.
At first we should deal, what is natural numbers, because we will operate with them. GiuseppePeano has created in the XIX century axioms of natural numbers, which is still used. According to his axioms, natural numbers are look like single-linked list.
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So, natural numbers are mathematic set with given function of following a → a', which satisfies next 3 axioms.
References:
1. . (2010). . - . 27 (31) (1), . 10-13.