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Up N' Down values.

  • To: mathgroup at
  • Subject: [mg13240] Up N' Down values.
  • From: Gadi Oron <oron at>
  • Date: Fri, 17 Jul 1998 03:17:38 -0400
  • Organization: Acces regional Ile-de-France (Univ. Paris VI/VII) - France
  • Sender: owner-wri-mathgroup at

Hi there,

I'm having some hard time trying to define "up values" to subscripted
variables, what I would like to do is (Latex notations)

d_1 /: Equal[d_1,0]:=False

Ok, I know that the full form of d_1 is Subscript[d,1] so I've tried;

Subscript /: Equal[Subscript[d,1],0]:=Flase


d /: Equal[Subscript[d,1],0]:=Flase

but none seems to work, I get the error message:

TagSetDelayed::"tagnf": "Tag d not found in False==0.

which I don't understand.

Any idea?

\/\\/\/\/>> Gadi ORON <<\/\/\/\/
EMAIL :  oron at  
Homepage : ICQ#7316619

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