Lax Lean Archive

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

Lax68.WallPlanar

Walls are planar

concepts/Lax68/WallPlanar.lean · lax-68

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    Open claimDefinitionThis conceptRelated conceptA → B: B builds on A

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    Theorem

    Every wall graph is planar.

    Lean source view on GitHub

    1import Lax68.GridsAndWalls
    2import Lax68.Planar
    3
    4/-!
    5---
    6title: Walls are planar
    7type: theorem
    8---
    9Every wall graph is planar.
    10-/
    11
    12set_option autoImplicit false
    13
    14namespace Lax68.WallPlanar
    15
    16axiom wall_planar {V : Type*} {G : SimpleGraph V} :
    17 Lax68.GridsAndWalls.IsWall G →
    18 Lax68.Planar.IsPlanar G
    19
    20end Lax68.WallPlanar
    21

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