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Innovations in Science and Technology




XV -

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INNOVATIONS IN SCIENCE AND TECHNOLOGY

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01 18 2015 .

 

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APPLICATION FORM

XV All-Ukrainian Students R&D Internet Conference 2015

Innovations in Science and Technology

Deadline: November, 10

Full name (in foreign language and Ukrainian) , ', ( )  
 
Institution, Faculty ,  
 
Phone number  
E-mail  
Section  
 
The title of the report  
 
Research adviser (name, title, position) (ϲ, , )    
 
Foreign language teacher (name, title, position) (ϲ, , )    
 
Date ___/___/2015 Signature ______________ ϳ

 


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.

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.

 

 





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