Theorems · Theorem · combinatorics
SimpleGraph.Connected.exists_connected_induce_compl_singleton_of_finite_nontrivial
∀ {V : Type u_1} {G : SimpleGraph V} [Finite V] [Nontrivial V], G.Connected → ∃ v, (SimpleGraph.induce {v}ᶜ G).ConnectedA finite nontrivial connected graph contains a vertex that leaves the graph connected if removed.
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 92 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- FiniteNontrivial
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Cites20
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Setstatement · cited by 53,352
- Fintypeproof · cited by 7,736
- Set.Elemstatement and proof · cited by 7,166
- SimpleGraphstatement and proof · cited by 3,072
- Finitestatement and proof · cited by 3,029
- Compl.complstatement and proof · cited by 2,925
- Nontrivialstatement and proof · cited by 2,416
- SimpleGraph.Adjproof · cited by 1,346
- Fintype.ofFiniteproof · cited by 255
- Function.Embedding.subtypeproof · cited by 128
- SimpleGraph.degreeproof · cited by 112
Cited by1
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