How do I make a \therefore in *plain tex* ?

[Yuri Robbers]

Hi Steve,

Just use:

\input amssym

$\therefore$

Good luck,
Yuri 

> On 28 Apr 2023, at 09:48, Steve Litt <slitt at troubleshooters.com> wrote:
> 
> Hi all,
> 
> Right now I use the following:
> 
> \def\therefore{\bullet^\bullet\bullet\quad}
> 
> It kinda sorta works, but it's ugly.
> 
> Is there a better way to make a \therefore in Plain TeX?
> 
> Thanks,
> 
> SteveT
> 
> Steve Litt 
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