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Re: Re: Inequality not documented in 6.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg90042] Re: [mg90015] Re: Inequality not documented in 6.0
  • From: DrMajorBob <drmajorbob at att.net>
  • Date: Fri, 27 Jun 2008 06:16:03 -0400 (EDT)
  • References: <9594508.1214472761350.JavaMail.root@m08>
  • Reply-to: drmajorbob at longhorns.com

> I suppose you aren't counting the description returned by evaluating,
>
> ?Inequaltity

The result of that is:

"Inequality represents a sequence of relational statements."

Personally, I do NOT count that as documentation, since (1) F1 doesn't  
find the symbol, (2) the Doc Center article titled "Inequalities" doesn't  
mention Inequality, (3) nor does the OTHER article entitled  
"Inequalities", (4) neither does the TUTORIAL entitled "Inequalities", and  
(5) the message above doesn't explain anything whatsoever about how to use  
Inequality.

There's not even a "More" button.

How would one type ?Inequality in the first place, if one didn't already  
know it existed, with precisely that name?

And how does a newbie know that?

Bobby

On Thu, 26 Jun 2008 03:44:26 -0500, Bill Rowe <readnews at sbcglobal.net>  
wrote:

> On 6/25/08 at 6:29 AM, maderri2 at gmail.com (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?
>
> I suppose you aren't counting the description returned by evaluating,
>
> ?Inequaltity
>
> as documentation since doing this on version 6.0 under Windows
> does return a description. Why aren't you counting this as documentation?
>
> As far as I can see, later versions of Mathematica (namely 6.03
> on Mac OS 10.5.3) have the same documentation. So, I suppose the
> answer to your question is no, since there appears to be no
> difference between 6.0 and 6.03 with respect to documentation.
>
>



-- 
DrMajorBob at longhorns.com


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