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Re: Simplifying multiple expressions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg108943] Re: Simplifying multiple expressions
  • From: Simon <simonjtyler at gmail.com>
  • Date: Wed, 7 Apr 2010 07:27:31 -0400 (EDT)
  • References: <hphbmd$li4$1@smc.vnet.net>

On Apr 7, 3:19 pm, Geico Caveman <spammers-go-h... at spam.invalid>
wrote:
> A question arising out of laziness.
>
> I have about 20 expressions that I want to simplify using the same set
> of assumptions. Is there an easy method for this ?

Easiest way is if your objects _always_ satisfy some conditions is to
set the global assumptions:

$Assumptions = ...

otherwise you could define your own assumptions that you pass to
Simplify:

myAssumptions = a>0 && b>1;
Simplify[ a + b > 1, myAssumptions]


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