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Why doesn't Log[ E^x ] = x ?

• To: mathgroup at smc.vnet.net
• Subject: [mg24250] Why doesn't Log[ E^x ] = x ?
• From: "Christopher R. Carlen" <crcarle at sandia.gov>
• Date: Mon, 3 Jul 2000 20:39:31 -0400 (EDT)
• Organization: Sandia National Laboratories
• Sender: owner-wri-mathgroup at wolfram.com

Hi:

E^Log[x] evaluates to x 

but

Log[ E^x ] evaluates to Log[ E^x ]

Why?

Thanks.

P.S.  Mathematica 3.0
 
_______________________
Christopher R. Carlen
Sr. Laser/Optical Tech.
Sandia National Labs