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Theoremadvanced

Nash-Williams-Tutte theorem

Also called tree packing theorem, Tutte-Nash-Williams theorem.

A graph has k edge-disjoint spanning trees iff every vertex partition has at least k(p-1) crossing edges.

A graph has k edge-disjoint spanning trees iff every vertex partition has at least k(p-1) crossing edges.

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The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.

LadderLevelWhat the next level needs
Human proofH0 no proof
  • add a proof in proofs/ (06.5)
LeanL0 no Lean part
  • name a Lean module in the lean field (07)
VisualV0 none
  • add viz/scene.ts or a figure (10)
WritingW0 stub
  • Statement
  • one source with a locator