Proof of `The full linearized response on pairs of actual cut profiles` (4th statement)
groundedproofs/Lax342547Proofs/DerivativeResponses.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
Use the individual plus functional in a rank-one allowed plus change. The other endpoint is zero, and the reciprocal rank-one identity reads the transposed residual through the actual minus baseline map.