Proof of `The Kodaira trichotomy of a hypersurface as a statement about binomial coefficients` (4th statement)

groundedproofs/Lax894236Proofs/GeometricGenus.lean · lax-894236

What this proof establishes

no assumptions

thm✓Lax894236.GeometricGenus (4th statement)

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

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Description

$C(n+2, n+1) = n + 2 ≥ 2$ , and $C(·, n+1)$ is monotone.