Draft — mutable and not usable as a dependency; its citation marks the draft state.

Proof of `Single-tape P is closed under complement`

groundedproofs/Lax554803Proofs/ModelEquivalence.lean · lax-554803

What this proof establishes

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

Transport the established complement theorem across the proved class equality.