Proof of `Finite metadata and exact-image records for additional pins` (1st statement)
groundedproofs/Lax342547Proofs/MetadataPins.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.
Description
Each binary linear map is determined by the images of a basis. Multiplying over the component/sign spaces adds their dimensions in the exponent.