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Re: Inequality not documented in 6.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89995] Re: Inequality not documented in 6.0
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Thu, 26 Jun 2008 04:40:36 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <g3t6s6$ikf$1@smc.vnet.net>

magma wrote:
> An expression like
> 
> x>y>z
> 
> has a FullForm
> 
> Greater[x,y,z]
> 
> However...
> 
> x>y>=z (*the relational operators are different *)
> 
> has FullForm
> 
> Inequality[x, Greater, y, GreaterEqual, z]
> 
> which uses Inequality.
> 
> Inequality does not appear to be documented in 6.0, yet it works well.
> Is it documented in later versions?

The documentation center for version 6.0.2 does not know about a symbol 
or function *Inequality[]* (but returns about 174 hits that contains the 
word inequality).

However (from the front-end),

     ?Inequality

     Inequality represents a sequence of relational statements.

Regards,
-- Jean-Marc


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