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Re: Evaluating inequalities

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131584] Re: Evaluating inequalities
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Sun, 8 Sep 2013 03:07:34 -0400 (EDT)
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  • Delivered-to: l-mathgroup@wolfram.com
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On 9/7/13 at 6:03 AM, sam.takoy at yahoo.com wrote:

>Why doesn't this:

>Assuming[w/k < KK, -k^2 + w^2/KK^2 > 0] // Simplify

>evaluate to False?

Consider

In[1]:= w/k < KK /. {w -> 2, k -> -1, KK -> 1}

Out[1]= True

In[2]:= -k^2 + w^2/KK^2 > 0 /. {w -> 2, k -> -1, KK -> 1}

Out[2]= True




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