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Re: Positive[a] = True ???

• To: mathgroup at smc.vnet.net
• Subject: [mg2519] Re: Positive[a] = True ???
• From: Jean-Paul Diard <erase at grenet.fr>
• Date: Thu, 16 Nov 1995 01:44:32 -0500
• Organization: CREM-GP

May be the ^ is missing...
Try 

Positive[a]^=True

Hope this helps