Theorems · Theorem · combinatorics
SimpleGraph.IsAcyclic.colorable_two
∀ {V : Type u_1} {G : SimpleGraph V}, G.IsAcyclic → G.Colorable 2An acyclic graph (forest) is 2-colorable.
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 95 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- SimpleGraphstatement and proof · cited by 3,072
- SimpleGraph.Colorablestatement · cited by 67
- SimpleGraph.IsAcyclicstatement and proof · cited by 67
- SimpleGraph.IsAcyclic.isBipartiteproof · cited by 1
Cited by2
Results whose statement or proof uses this declaration.
- SimpleGraph.IsTree.colorable_twoproof · cited by 1
- SimpleGraph.IsAcyclic.chromaticNumber_le_twoproof · cited by 0