Open teorth opened 6 hours ago
Only a generating set of implications needs to be added to Subgraph.lean, of course. Human-readable sketches of proofs can be added in comments.
Seraphina Nix's sketch of proof (from https://leanprover.zulipchat.com/#narrow/stream/458659-Equational/topic/Outstanding.20tasks.2C.20v1/near/472989978) is included in the comments to the Lean file.
claim
Only a generating set of implications needs to be added to Subgraph.lean, of course. Human-readable sketches of proofs can be added in comments.