Theorem Hypergraph.IsNonempty.of_nonempty_edgeSet

Modification history

2026-06-12 00:00
Mathlib/Combinatorics/Hypergraph/Basic.lean
feat(Combinatorics): define undirected hypergraphs (#28613) …
Added Hypergraph.IsNonempty.of_nonempty_edgeSetView on Github →