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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