Welcome to the 1520 Perfect Dictionary
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| Identity element | |
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| IDENTITY ELEMENT Definition: (mathematics) An element (e) in a system of elements such that e*x = x*e = x, for every value of x-where 8 denotes a binary operation. In the ordinary number system, for addition e = 0, for multiplication e = 1. ____________________________________ See perfect form (1). See perfect element (1). ___ See perfect single (9). See perfect operation (8). ___ See perfect mathematics' phobia. ___ See perfect type (1). See perfect system (1). ___ See perfect value (5). See perfect specificity. | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |