Proof of `Bilinear parts of ordered evaluations on every atom flavor` (3rd statement)
groundedproofs/Lax342547Proofs/BinaryMixer.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
The chosen retained block is a submatrix of the actual mixed coefficient matrix. Taking a submatrix cannot increase rank.