Lax Lean Archive

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Proof of `Backward growth from forward growth` (1st statement)

groundedproofs/Lax606786Proofs/Backward.lean · lax-606786

What this proof establishes

thm✓Lax606786.BackwardGrowthFromForward (1st 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 GitLab

Description

Birkhoff's theorem for the indicator of GG.