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Lax68.MaximalOuterplanarOuterplanar

Maximal outerplanar graphs are outerplanar

concepts/Lax68/MaximalOuterplanarOuterplanar.lean · lax-68

proven

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    Proven claimDefinitionThis conceptRelated conceptA → B: B builds on A

    Evidence

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    Theorem

    Every maximal outerplanar graph is outerplanar.

    Lean source view on GitHub

    1import Lax68.MaximalOuterplanar
    2import Lax68.Outerplanar
    3
    4/-!
    5---
    6title: Maximal outerplanar graphs are outerplanar
    7type: theorem
    8---
    9Every maximal outerplanar graph is outerplanar.
    10-/
    11
    12set_option autoImplicit false
    13
    14namespace Lax68.MaximalOuterplanarOuterplanar
    15
    16axiom maximalOuterplanar_outerplanar {V : Type*} {G : SimpleGraph V} :
    17 Lax68.MaximalOuterplanar.IsMaximalOuterplanar G →
    18 Lax68.Outerplanar.IsOuterplanar G
    19
    20end Lax68.MaximalOuterplanarOuterplanar
    21
    Show Proof

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