(x|y) \[element] Integers in Reduce function
- To: mathgroup at smc.vnet.net
- Subject: [mg82552] (x|y) \[element] Integers in Reduce function
- From: Steven Siew <siewsk at bp.com>
- Date: Wed, 24 Oct 2007 04:31:55 -0400 (EDT)
Consider the following
Reduce[x^2 - 2 y^2 == 1 && x>= 0 && y>=0 && (x|y) \[element] Integers,
{x,y} ]
What does " (x|y) \[element] Integers " mean?
Does it mean:
(a) x is an Integer AND y is an Integer
(b) x is an Integer OR y is an Integer
Thank you
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- From: Andrzej Kozlowski <akoz@mimuw.edu.pl>
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