trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

Three Turns of a Binary XOR Triangle

The clockwise right-edge map of a finite binary XOR triangle has third iterate equal to the identity. At each width it is a permutation whose inverse is two clockwise turns.

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THEOREM

Three turns recover the row

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Direct recorded relationships
Value One in the Binary XOR TriangleValue One in the Binary XORTriangleThree Turns of a Binary XOR TriangleThree Turns of a Binary XORTriangle
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Certified topology / DOWNSTREAM

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Lean sourceResearch workspace
Status
Closed
Depth
1
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/XorTriangle/ReversibleSideMap
Repository path
D5/S3/Combinatorics/XorTriangle/ReversibleSideMap.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.