Discussion:
[OT] LaTeX VDash
Tim Janssen
2005-03-22 16:00:20 UTC
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Does anyone know how to produce a VDash symbol? (looks like: ||= )

There are commands (vdash, Vdash, and vDash) for |- ||- and |=
and also negated forms (nvdash, nVdash, nvDash and nVDash) for |- ||- |=
and ||= with slashes through them.

but no normal VDash.
Google's case-insensitive so it's not been much help.

Thank you
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Dirk Raeder
2005-03-22 16:25:40 UTC
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Post by Tim Janssen
Does anyone know how to produce a VDash symbol? (looks like: ||= )
There are commands (vdash, Vdash, and vDash) for |- ||- and |=
and also negated forms (nvdash, nVdash, nvDash and nVDash) for |- ||- |=
and ||= with slashes through them.
but no normal VDash.
Google's case-insensitive so it's not been much help.
Thank you
--
Try \vert

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Dirk Raeder

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Tim Janssen
2005-03-23 13:11:07 UTC
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Dirk Raeder wrote:
| Tim Janssen wrote:
|
|>>Does anyone know how to produce a VDash symbol? (looks like: ||= )
|>>
|>>There are commands (vdash, Vdash, and vDash) for |- ||- and |=
|>>and also negated forms (nvdash, nVdash, nvDash and nVDash) for |- ||- |=
|>>and ||= with slashes through them.
|>>
|>>but no normal VDash.
|>>Google's case-insensitive so it's not been much help.
|>>
|>>Thank you
|>>--
|>>gentoo-***@gentoo.org mailing list
|>>
|
| Try \vert

I've tried \vert, | , \mid but they produce vertical bars that are too
tall. a \vDash is smaller than a vertical bar attached to an equal sign,
so I've decided to give up on \vdash and it's evil spawn and just build
my own symbols with |, \parallel, =, and \neq.
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Mike Markowski
2005-03-24 14:29:23 UTC
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Post by Tim Janssen
I've tried \vert, | , \mid but they produce vertical bars that are too
tall. a \vDash is smaller than a vertical bar attached to an equal sign,
so I've decided to give up on \vdash and it's evil spawn and just build
my own symbols with |, \parallel, =, and \neq.
If you install the amssymb package and start your doc with
"\usepackage{amssymb}" you'll have \vDash. A google search on "amssymb
latex" will bring up a bunch of pages you can double check against
before installing.

Mike
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Tim Janssen
2005-03-24 16:02:20 UTC
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Post by Mike Markowski
If you install the amssymb package and start your doc with
"\usepackage{amssymb}" you'll have \vDash. A google search on "amssymb
latex" will bring up a bunch of pages you can double check against before
installing.
The symbol I'm missing is a \VDash Which is two vertical bars and an
equals. The amssymb package includes \nvdash, \nVdash, \nvDash, and
\nVDash for the negated forms, but only \vdash, \Vdash, and \vDash for
the non-negated forms. For some reason there is no \VDash.

I built a \VDash with \parallel and = but it's slightly bigger than the
symbols in amssymb, so (being the picky bastard that I am) I went and
wrote macros for my own set of [vV]Dashes (using |, \parallel, =, and \neq
so that they'll all be the same size.

Can anyone tell me why there is \nVDash but no \VDash??? It seems very
stupid to me.

Tim
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Mike Markowski
2005-03-24 16:26:55 UTC
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Post by Tim Janssen
Post by Mike Markowski
If you install the amssymb package and start your doc with
"\usepackage{amssymb}" you'll have \vDash. A google search on
"amssymb latex" will bring up a bunch of pages you can double check
against before installing.
The symbol I'm missing is a \VDash Which is two vertical bars and an
equals. The amssymb package includes \nvdash, \nVdash, \nvDash, and
\nVDash for the negated forms, but only \vdash, \Vdash, and \vDash for
the non-negated forms. For some reason there is no \VDash.
I built a \VDash with \parallel and = but it's slightly bigger than the
symbols in amssymb, so (being the picky bastard that I am) I went and
wrote macros for my own set of [vV]Dashes (using |, \parallel, =, and
\neq so that they'll all be the same size.
Can anyone tell me why there is \nVDash but no \VDash??? It seems very
stupid to me.
Sorry I misread your original problem, and you're right - that's
strange, probably an oversight. If you're solution doesn't make you
happy and you're feeling adventurous (or desperate) you might peek at
the source for nVDash and tweek it to get rid of the slash. I've done
similar things before, and remember the hardest part was finding what I
needed. Changing it wasn't bad. But you might direct your question to
a TeX list, too, and will probably get just the solution you need in
short order. Good luck! I'll email direct if I find anything.

Mike
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Frédéric Grosshans
2005-03-24 16:37:22 UTC
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Post by Tim Janssen
The symbol I'm missing is a \VDash Which
Looking into the comprehentive LaTeX symbol list
( http://www.ctan.org/tex-archive/info/symbols/comprehensive/symbols-a4.pdf ),
I found \VDash in the mathabx package

Fred
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