Proof of `The Euler characteristic of a smooth hypersurface as a binomial tail`
groundedproofs/Lax894236Proofs/EulerCharacteristic.lean · lax-894236
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 by the binomial theorem and peel off the two lowest terms, and , which cancel against the rest of .