trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

Different Push Decisions Force 231

A push permitted by the stack avoiding 3-12 but forbidden by the stack avoiding 312 forces a 231 occurrence.

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DIRECT PREREQUISITES1
DIRECT CONSEQUENCES1
PROOF DEPTH3
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THEOREM

The structure of different push decisions

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Pattern Occurrences and Stack InvariantsPattern Occurrences and StackInvariantsDifferent Push Decisions Force 231Different Push Decisions Force231Equal Sorting Classes and OutputsEqual Sorting Classes andOutputs
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Lean sourceResearch workspace
Status
Closed
Depth
3
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/VincularStack/VincularStackThreeDivergence
Repository path
D5/S3/Combinatorics/VincularStack/VincularStackThreeDivergence.lean
Truth release
sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
Source commit
b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
Source tree
37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

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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.