frege-systems

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xamidi / pmGenerator

An exhaustive condensed detachment formal proof generator for Hilbert systems in proof theory.

hpc logic mpi tbb natural-deduction unification modal-logic mathematical-logic propositional-calculus formal-proofs proof-theory condensed-detachment proof-complexity hilbert-systems frege-systems proof-minimization

Updated Nov 14, 2025
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xamidi / luk-pmproofs

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Shortest known proofs of the propositional calculus theorems from Principia Mathematica, derived from Łukasiewicz (L₁)-system (CCpqCCqrCpr,CCNppp,CpCNpq)

logic propositional-logic propositional-calculus formal-proofs condensed-detachment hilbert-systems frege-systems proof-minimization

Updated Dec 6, 2025

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