François Pantigny submitted the
cascade
package.
Version number: 1.0 2018-04-17 License type: lppl1.3
Summary description: Constructions with braces to present mathematical demonstrations
Announcement text: ----------------------------------------------------------------------
The LaTeX package cascade provides a command Cascade to do constructions to present mathematical demonstrations with successive braces for the deductions. ---
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This package is located at http://mirror.ctan.org/macros/latex/contrib/cascade
More information is at http://www.ctan.org/pkg/cascade
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Thanks for the upload.
For the CTAN Team Ina Dau