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Is there a better way to get the symbol produced by V\llap{--}? I need it in math mode. The symbol is someitmes used to represent volume. The above hack is not the right symbol but something close.

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How about \forall? Does it fit your requirements? – Count Zero Aug 27 '12 at 12:29
@CountZero I need the dash to extend beyond the V. – mythealias Aug 27 '12 at 12:37
Can you please upload (provide a link to) an image showing the desired symbol used in context? – Gonzalo Medina Aug 27 '12 at 13:05
@GonzaloMedina the symbol is usually used when writing Reynolds transport equation. This pdf file shows it in use. – mythealias Aug 27 '12 at 17:36
up vote 13 down vote accepted

enter image description here

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Thank you. This works. – mythealias Aug 27 '12 at 17:33

I was looking for the same thing, but found it a bit distracting to have the cross extend beyond the lines of the V. I came up with an alternative approach:




    Let $\Vol$ represent system volume.


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