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Theoremintro

Triangulation counting theorem

Also called Euler counting for triangulations.

A triangulation of n points with h hull vertices has 2n-2-h triangles and 3n-3-h edges.

A triangulation of n points with h hull vertices has 2n-2-h triangles and 3n-3-h edges.

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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