trepplein: a Lean type-checker
Lean is an interactive theorem prover based on dependent type theory. For additional trust, Lean can export the generated proofs so that they can be independently verified. Trepplein is a tool that can check these exported proofs.
Trepplein is written in Scala, and requires SBT to build.
sbt stage ./target/universal/stage/bin/trepplein .../export.out