[PT] dvr.mp - a package for typesetting derivation trees

Laurent Méhats <[email protected]>
Newsgroups gmane.science.mathematics.prooftheory
Message-ID <[email protected]> 
Hello,

A new package for typesetting derivation trees (such as used in sequent
calculus, type inference, programming language semantics ...) is available
on CTAN.

http://tug.ctan.org/tex-archive/graphics/metapost/contrib/macros/drv

The package is documented and while it is based on MetaPost, you don't
need to known MetaPost to use it.

If you give it a try, please feel free to send comments, questions, bug
reports or feature requests.

Regards,
Laurent Méhats
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