Marco Benini submitted an update to the

prftree

package.

Version number: 1.6 2019-06-19 License type: gpl

Summary description: Macros for building proof trees

Announcement text: ----------------------------------------------------------------------

The new version 1.6 of the prftree package has a new support for proofs in Martin-Lof type theory and homotopy type theory. There are also a few improvements to the commands to typeset proofs in natural deduction and sequent calculi. Moreover, a couple of commands to help the creation of new inference rules have been added, and stacking of premises is now implemented.

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This package is located at http://mirror.ctan.org/macros/latex/contrib/prftree

More information is at https://www.ctan.org/pkg/prftree

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Thanks for the upload.

For the CTAN Team Erik Braun

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