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Definitionintro

Minimal change ordering

Also called Gray-type ordering of permutations, Minimal-change ordering, adjacent-difference ordering, adjacent-transposition ordering, minimal change property.

An ordering of combinatorial objects in which consecutive objects differ by a single small change.

An ordering of combinatorial objects in which consecutive objects differ by a single small change.

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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
  • one source with a locator