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MathGroup Archive 2010

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syntax extension

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106427] syntax extension
  • From: Richard Fateman <fateman at cs.berkeley.edu>
  • Date: Tue, 12 Jan 2010 04:49:16 -0500 (EST)

Is there a neat way to create a new symbol,
say /!.    so that

expression /. BetterRules[rules]

could be written as

expression /!. rules

I do not find writing something like

  (expression) ~BR~ (rules)

to be quite adequate, especially with the extra parentheses.
RJF



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