Lax Lean Archive

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Lax68.LadderSeriesParallel

Ladders are series-parallel

concepts/Lax68/LadderSeriesParallel.lean · lax-68

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    Theorem

    Every ladder graph is series-parallel.

    Lean source view on GitHub

    1import Lax68.Ladders
    2import Lax68.SeriesParallel
    3
    4/-!
    5---
    6title: Ladders are series-parallel
    7type: theorem
    8---
    9Every ladder graph is series-parallel.
    10-/
    11
    12set_option autoImplicit false
    13
    14namespace Lax68.LadderSeriesParallel
    15
    16axiom ladder_seriesParallel {V : Type*} {G : SimpleGraph V} :
    17 Lax68.Ladders.IsLadder G →
    18 Lax68.SeriesParallel.IsSeriesParallel G
    19
    20end Lax68.LadderSeriesParallel
    21

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