LikeN's - a point of view on natural numbers

We define and study some simple structures which we call likens and which are conceptually near to both sets of natural numbers, i.e. N with addition and N*=N\{0} with multiplication. It appears, that there are many different likens, which makes it possible to look on usual natural numbers from a...

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Bibliographic Details
Main Author: Edward Tutaj
Format: Article
Language:deu
Published: Sciendo 2017-12-01
Series:Annales Universitatis Paedagogicae Cracoviensis: Studia Mathematica
Subjects:
Online Access:http://studmath.up.krakow.pl/index.php/studmath/article/view/278