Official Mathlib source

SimpleGraph.even_card_odd_degree_vertices

This declaration comes from Mathlib. Follow the official immutable link below to inspect the exact upstream source; ProofAtlas does not mirror or claim authorship of it.

Exact upstream reference

Package: mathlib
Repository: https://github.com/leanprover-community/mathlib4
Commit: 5e932f97dd25535344f80f9dd8da3aab83df0fe6
Source path: Mathlib/Combinatorics/SimpleGraph/DegreeSum.lean:126
SHA-256: sha256:c19c3d1980cda4eab5a82af01a6b2435198c37d68055582d9a77bf5ea6de9537
Verified bytes: 6,416

Open source in Mathlib

Why there is no source download here

ProofAtlas links to the official immutable Mathlib source. It does not mirror the Lean file, relicense upstream work, publish a ProofAtlas source archive, or claim a first-party source footprint.