Proof of `Protected balls for the rounded ellipsoid method` (3rd statement)
groundedproofs/Lax263307Proofs/BufferedEllipsoid.lean · lax-263307
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
A nonzero integer coordinate has squared magnitude at least one. Its square is bounded by the sum of all coordinate squares.