#8519: Add a set of Positive Integer with categories (and factor the code with
NonNegativeInteger)
-----------------------------+----------------------------------------------
Reporter: nborie | Owner: nborie
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.3.4
Component: combinatorics | Keywords: positive integer
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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We have already a proper set with category of NonNegativeIntegers, let's
use it to also define PositiveInteger
{{{
sage: NonNegativeIntegers()
Non negative integers
sage: PositiveInteger()
---------------------------------------------------------------------------
NameError Traceback (most recent call
last)
/home/nicolas/<ipython console> in <module>()
NameError: name 'PositiveInteger' is not defined
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8519>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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