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

Proof of `Nonempty raw frame spaces` (2nd statement)

groundedproofs/Lax342547Proofs/FrameExistence.lean · lax-342547

What this proof establishes

no assumptions

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

Pad the explicit doubled frame with zero rows and transport it across a coordinate equivalence to any ambient space of dimension at least 2(d+h).