[NTG-context] Is \not still supported?

[NTG-context] Is \not still supported?

[Wolfgang Schuster]

Hi,

is the \not command still supported in math mode or should users replace 
it with the combined form, e.g. \notin instead of \not\in.

%%%% begin example
\starttext

\im{x \in M}

\im{x \notin M}

\im{x \not\in M}

\stoptext
%%%% end example

Wolfgang

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[NTG-context] Re: Is \not still supported?

[Hans Hagen]

On 9/8/2024 5:19 PM, Wolfgang Schuster wrote:
> Hi,
> 
> is the \not command still supported in math mode or should users replace 
> it with the combined form, e.g. \notin instead of \not\in.
> 
> %%%% begin example
> \starttext
> 
> \im{x \in M}
> 
> \im{x \notin M}
> 
> \im{x \not\in M}
> 
> \stoptext
> %%%% end example
indeed, because old school \not was a symbols that got overlayed.

we could of course make some clever not but i hav eto discuss that with 
MS .. if there are \not cases at all

Hans


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[NTG-context] Re: Is \not still supported?

[Wolfgang Schuster]

Hans Hagen schrieb am 08.09.2024 um 20:21:
> On 9/8/2024 5:19 PM, Wolfgang Schuster wrote:
>> Hi,
>>
>> is the \not command still supported in math mode or should users 
>> replace it with the combined form, e.g. \notin instead of \not\in.
>>
>> %%%% begin example
>> \starttext
>>
>> \im{x \in M}
>>
>> \im{x \notin M}
>>
>> \im{x \not\in M}
>>
>> \stoptext
>> %%%% end example
> indeed, because old school \not was a symbols that got overlayed.
>
> we could of course make some clever not but i hav eto discuss that 
> with MS .. if there are \not cases at all

My main reason for the question was to get clarification about the 
status of the command.

Using the proper commands (e.g. \notin) was always the better choice 
because they produce better output than \not does.

Wolfgang

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[NTG-context] Re: Is \not still supported?

[Aditya Mahajan]

On Sun, 8 Sep 2024, Wolfgang Schuster wrote:

> Using the proper commands (e.g. \notin) was always the better choice because
> they produce better output than \not does.

One could do something like this: 

\define[1]\not
  {\ifdefined\csname not#1 \endcsname\relax
      \csname not#1 \endcsname
   \else
      \normalnot#1%
   \fi}

Aditya
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