drv - derivation trees with MetaPost version 0.97 Licence lppl Description drv is a set of MetaPost macros for typesetting derivation trees (such as used in sequent calculus, type inference, programming language semantics...) NO MetaPost knowledge is needed to use these macros. Contents drv.mp the main file drv-guide.pdf a user guide attempt doc/ the sources for drv-guide.pdf sample/ an example of use in conjunction with the beamer class template/ a basic set of files for your own tries README this file Any feedback is welcome. laurent.mehats@gmail.com