Combinatorics / CONCEPT
Three-Letter Order Restrictions
Forbidden patterns restrict the two occurrence orders of three distinct letters.
Closed
DIRECT PREREQUISITES1
DIRECT CONSEQUENCES2
PROOF DEPTH3
DOCUMENT LINKS1
A smallest letter cannot start last
RELATIONSHIP ATLAS
Every connection, in context.
Direct recorded relationships
Proof dependencyStructural affinityDocument link
Certified topology / UPSTREAM
Prerequisites
Certified topology / DOWNSTREAM
Consequences
RELATED KNOWLEDGE
Structural connections
- Deletion of the Least Valuestructural-affinity · Closed
- Direct Sums and Primitive Wordsstructural-affinity · Closed
- First-Block Orderstructural-affinity · Closed
- Insertion into Increasing-Order Avoidersstructural-affinity · Closed
- Interleaving Along a Step Sequencestructural-affinity · Closed
- Occurrence Orders in Doubled Wordsstructural-affinity · Closed
- Recursive Form of Increasing-Order Wordsstructural-affinity · Closed
- Separated Value Cutsstructural-affinity · Closed
- Structure with Increasing First Occurrencesstructural-affinity · Closed
Documents & exposition
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
Content history
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