"Paul A. Rubin" <[EMAIL PROTECTED]> writes:

> Hi all,
>
> I just discovered (the hard way) that LyX understands to map \implies
> to \Longrightarrow in the GUI (or at least displays the same glyph for
> both), but LaTeX does not recognize \implies.  I suspect that there's
> some package, not loaded by my document, that maps \implies to
> \Longrightarrow.
>
> So I wonder if LyX should either (a) automatically load whatever the
> missing package is if the user types in \implies, or (b) not display
> \implies, or (c) substitute \Longrightarrow for \implies (so that the
> document compiles)?  Opinions?

The missing package seems to be amsmath and LyX should definitely
require it automatically. I am not sure however where to do it.

Please fill a new bug report.

JMarc

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