Draft — mutable and not usable as a dependency; its citation marks the draft state.

Lax68.WheelHalin

Wheels are Halin graphs

concepts/Lax68/WheelHalin.lean · lax-68

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    Open claimDefinitionThis conceptRelated conceptA → B: B builds on A

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    Theorem

    Every wheel graph is a Halin graph.

    Lean source view on GitHub

    1import Lax68.Wheels
    2import Lax68.HalinGraphs
    3
    4/-!
    5---
    6title: Wheels are Halin graphs
    7type: theorem
    8---
    9Every wheel graph is a Halin graph.
    10-/
    11
    12set_option autoImplicit false
    13
    14namespace Lax68.WheelHalin
    15
    16axiom wheel_halin
    17 {V : Type*} {G : SimpleGraph V} :
    18 Lax68.Wheels.IsWheel G →
    19 Lax68.HalinGraphs.IsHalin G
    20
    21end Lax68.WheelHalin
    22

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