Lax Lean Archive

Proof of `Invariance and characterization of Post's correspondence problem` (2nd statement)

groundedproofs/Lax624099Proofs/Bridge.lean · lax-624099

What this proof establishes

no assumptions

lem✓Lax624099.PostCorrespondenceInvariance (2nd statement)

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

Read the Lean proof on GitHub

Description

The library's invariance theorem for Post's correspondence problem.