Proof of `Bounded descriptions of large matrix kernels` (2nd statement)
groundedproofs/Lax342547Proofs/KernelWitness.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
Truncating each kernel dimension at q preserves a summed lower bound q. Choose the bounded-column kernel certificate in every component.