Proof of `Allowed channel changes and the actual table injection tests` (5th statement)
groundedproofs/Lax342547Proofs/ChannelChanges.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
Coordinate duality identifies every functional annihilating the protected space with a perpendicular channel vector. Double annihilation therefore detects membership in the protected space.