The People's Refinement Logic

RedPRL is a proof assistant for Computational Cubical Type Theory being developed at Carnegie Mellon University by Jon Sterling under Robert Harper, inspired by Nuprl.

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RedPRL is written in Standard ML, and is available for download on GitHub.


Jon Sterling, James Wilcox, Danny Gratzer, Darin Morrison, David Christiansen, Eugene Akentyev and Ayberk Tosun contributed to the design and implementation of RedPRL.