Proof of `Full response obstructions are effective profiles plus selected atoms` (3rd statement)
groundedproofs/Lax342547Proofs/EffectiveObstructions.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
Every functional annihilating the proposed row space kills each row, because the corresponding matrix contraction is zero. Coordinate duality and double annihilation give membership in the proposed row space.