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<B>DUMMY</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>package</B><P>
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Author: Alain Dresse 
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This package allows a user to find the canonical form of expressions 
involving dummy variables. In that way, the simplification of 
polynomial expressions can be fully done. The indeterminates are general 
operator objects endowed with as few properties as possible. In that way 
the package may be used in a large spectrum of applications. 
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