MathGroup Archive 2006

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HoldFirst question

  • To: mathgroup at
  • Subject: [mg65500] HoldFirst question
  • From: "Yaroslav Bulatov" <yaroslavvb at>
  • Date: Wed, 5 Apr 2006 06:55:52 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

f=5;f[a_]=a gives an error because it evaluates f[a_] to 5[a_]

But Set is HoldFirst, doesn't that mean that f[a_] will be held

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