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<A NAME=PM> <TITLE>PM</TITLE></A> <b><a href=r37_idx.html>INDEX</a></b><p><p> <B>PM</B> _ _ _ _ _ _ _ _ _ _ _ _ <B>package</B><P> <P> <P> <P> Author: Kevin McIsaac <P> <P> PM is a general pattern matcher similar in style to those found in systems such as SMP and Mathematica, and is based on the pattern matcher described in Kevin McIsaac, ``Pattern Matching Algebraic Identities'', SIGSAM Bulletin, 19 (1985), 4-13. <P> <P>