MathGroup Archive 2002

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Strange ReplaceAll behavior

  • To: mathgroup at
  • Subject: [mg36774] Strange ReplaceAll behavior
  • From: "Lawrence A. Walker Jr." <lwalker701 at>
  • Date: Wed, 25 Sep 2002 01:50:50 -0400 (EDT)
  • Organization: Morgan State University, COMSARE
  • Sender: owner-wri-mathgroup at


For the life of me I am not sure why the following is not working in my 
v. 4.2:

f[x_]:=(a+b) /. ru[a];

Why do I get
f[c] = b+x

and not
f[c] = b+c?

What gives?


Lawrence A. Walker Jr.

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