> Jeong Dal <mailto:haksan@me.com>
> 16. März 2017 um 15:28via Postbox 
> <https://www.postbox-inc.com/?utm_source=email&utm_medium=sumlink&utm_campaign=reach>
> Dear all,
>
> I made a column as following:
> …
> \starttabulate[|c|c]
> \HL
> \NC $\sim (p \vee q)$ \VL $\sim p \ \wedge \sim q$ \NC\NR \HL
> \NC $\sim (p \ \wedge q)$ \VL $\sim p \vee \sim q$ \NC\NR \HL
> \NC $\sim (p \to q) $ \VL $p \wedge \sim q$ \NC\NR \HL
> \NC $\sim (p \leftrightarrow q)$ \VL $(p \ \wedge \sim q) \vee (q \ 
> \wedge \sim p)$ \NC\NR \HL
> \stoptabulate
> …
>
> The first column is OK.
> But lines in the first three rows in the second column expanded to the 
> width as wide as the last row.
> So the it looked very strange.
>
> Is there a way to avoid such a bad looking output?
You forgat a | at the end of the table template. You can also simplify 
your table when
you add “m” to each cell setting which typesets each cell in math mode, e.g.

     \starttext

     \starttabulate[|mc|]
     \NC a + b = c \NC\NR
     \stoptabulate

     \stoptext

Wolfgang