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Re: Simplify with NestedLessLess?

• To: mathgroup at smc.vnet.net
• Subject: [mg106522] Re: [mg106487] Simplify with NestedLessLess?
• From: Dave Bird <dbird at ieee.org>
• Date: Fri, 15 Jan 2010 03:19:27 -0500 (EST)
• References: <201001141049.FAA19892@smc.vnet.net> <4B4F39E7.1070002@wolfram.com>
• Reply-to: dbird at ieee.org

Thanks Daniel for the observation. I forgot to add that both a, and b 
are real positive. That, of course would have to be added to the 
assumptions.

Dave

Daniel Lichtblau wrote:
> dbird wrote:
>> Please excuse if this has been answered before, but I can't find it.
>>
>> Is there some way to do a Simplify with assumptions using a 
>> NestedLessLess or something similar? For example:
>>
>> d=a+b
>> Simplify[d,NestedLessLess[a,b]]
>>
>> Answer is:
>> a+b
>>
>> Answer should be:
>> b
>>
>> Thanks,
>>
>> Dave
>
> I fail to see why the result should be b.
>
> Daniel Lichtblau
> Wolfram Research
>
>

• References:
  • Simplify with NestedLessLess?
    • From: dbird <dbird@ieee.org>