trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

Schroeder Enumeration of the Sorting Class

The sorting class of the stack avoiding 23-1 is enumerated by the large Schroeder numbers.

Closed Authored exposition
DIRECT PREREQUISITES1
DIRECT CONSEQUENCES0
PROOF DEPTH6
DOCUMENT LINKS1
THEOREM

The Schroeder enumeration

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The Generating Tree of Sortable PermutationsThe Generating Tree of SortablePermutationsSchroeder Enumeration of the Sorting ClassSchroeder Enumeration of theSorting Class
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Certified topology / UPSTREAM

Prerequisites

Certified topology / DOWNSTREAM

Consequences

None recorded in this release.

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Certified provenance

Exact release coordinate

Lean sourceResearch workspace
Status
Closed
Depth
6
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/VincularStack/VincularStackSort
Repository path
D5/S3/Combinatorics/VincularStack/VincularStackSort.lean
Truth release
sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
Source commit
b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
Source tree
37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

Authority boundary

Dependency edges, status, and source coordinates come from the verified release and certified topology. Blueprint exposition is labeled separately. A fallback title carries no additional mathematical authority.