Proof of `A selected affine ray determines its moment block` (2nd statement)
groundedproofs/Lax342547Proofs/SelectedMoments.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
Subtracting the constant-coordinate multiple of the affine point has kernel exactly its ray; the point's constant coordinate is one.