Lax Lean Archive

While this submission is a draft, it cannot be used by other submissions.

Proof of `Kingman's subadditive ergodic theorem`

groundedproofs/Lax606786Proofs/Kingman/Core.lean · lax-606786

What this proof establishes

thm✓Lax606786.KingmanTheorem

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 GitLab

Description

Steele's proof (Steele 1989), applied to the families truncated from below at −Mn-Mn, followed by M→∞M → ∞.