MathGroup Archive 2010

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Re: LessEqual vs Inequality, was ..Re: Replacement Rule with Sqrt

I wish that Simplify, Reduce and LogicalExpand produced canonical  
forms that were both completely documented and completely reliable.

Programs written in Mathematica need to be able to pattern match  
against expressions returned by these functions. Pattern matching code  
is only reliable if it is matching against a reliable canonical form.  
If Mathematica made more of an effort to produce well-documented  
canonical forms, it would help us.

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