MathGroup Archive: May 1999 [00160]

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positive numbers

To: mathgroup at smc.vnet.net
Subject: [mg17452] positive numbers
From: Ulf Saalmann <us at atom.msi.se>
Date: Sun, 9 May 1999 04:43:55 -0400
Organization: Stockholms Universitet
Sender: owner-wri-mathgroup at wolfram.com

 Hej,

 a simple question: How can I inform Mathematica
 that a variable is always positive without giving
 a specific value (in order to avoid distinction of
 cases).

 Thanks  Ulf.   (us at atom.msi.se)

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