Atom
From Encyclopedia of Mathematics
A minimal non-zero element of a partially ordered set with a zero 0, i.e. an element 
such that 
implies 
.
Comments
By a natural extension of meaning, the term atom is also used for an object of a category having no subobjects other than itself and the null subobject (cf. Null object of a category).
How to Cite This Entry:
Atom. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Atom&oldid=27988
Atom. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Atom&oldid=27988
This article was adapted from an original article by L.A. Skornyakov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article