proof-checker

Proof assistant based on the λΠ-calculus modulo rewriting

eBPF Certificate Framework

MIRROR of https://codeberg.org/catseye/Philomath : An LCF-style theorem prover written in C89 (a.k.a ANSI C)

[wip] Proof format and checker for first-order and higher-order theorem provers

[wip] A LCF-style kernel of trust intended for certified ATP and proof checking for FOL/HOL.

MIRROR of https://codeberg.org/catseye/Maxixe : A simple proof checker

DRAT/DPR proof checker

Computerized proof system on the web

Exposition of an LCF-style theorem prover for propositional logic in a Natural Deduction system

MIRROR of https://codeberg.org/catseye/Eqthy : A simple formalized language for equational proofs

Natural deduction proof generator & checker

Archived: see https://github.com/andrew222651/semkon2

Lean Kernel Challenge. Independent Lean 4 proof checker: NDJSON export reader, type checker and arena harness for the SAIR Foundation competition.

not noq

proof language based on https://en.wikipedia.org/wiki/Sequent_calculus and https://us.metamath.org/.

Big-step, small-step and axiomatic semantics for the IMP language (unofficial)

An independent implementation of the Lean 4 kernel on .NET, and a checker for Lean exports

Proof checker and an environment for Fitch-style formal proofs

General purpose TSTP proof checker

A system for formalizing and proving mathematical theorems inspired by Metamath