Proof of `Polar rank of the formal mixer quadratic` (1st statement)
groundedproofs/Lax342547Proofs/FormalQuadratic.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
Expand the four evaluations of the affine quadratic in the binary field. The constant, linear, and translated quadratic terms occur twice and cancel; only the symmetrized bilinear part on A(u), A(v) remains.