CTAN update: prooftrees

Clea F. Rees submitted an update to the

                prooftrees

package.

Version: 0.9
License: lppl1.3c

Summary description: Forest-based proof trees (symbolic logic)

Announcement text:
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Update adds out-of-the-box support for memoization.

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This package is located at
   https://mirrors.ctan.org/graphics/pgf/contrib/prooftrees

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


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   Thanks for the upload.

     For the CTAN Team
    Manfred Lotz


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