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poi
A pragmatic point-free theorem prover assistant
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hooo
Propositional logic with exponentials
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caso
Category Theory Solver for Commutative Diagrams
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mm0_util
MM0/MM1 language utilities
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mm0b_parser
parsing tools for Metamath Zero's MMB binary format
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metamath-rs
manipulating Metamath databases, including a parallel and incremental verifier for Metamath databases