trureturingGitHub MATHEMATICAL ATLAS

Geometry / CONCEPT

Even middle-angle sums cannot close at 2*pi

An even number of middle angles cannot sum to two pi.

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Even middle angles cannot close

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Even middle-angle sums cannot close at 2*piEven middle-angle sums cannotclose at 2*piFixed-point-free angle support misses 2*piFixed-point-free angle supportmisses 2*pi
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Lean sourceResearch workspace
Status
Closed
Depth
0
Layer
D5/S3
Domain
Geometry
Node ID
D5/S3/Geometry/Hyperideal/EvenAngleSumObstruction
Repository path
D5/S3/Geometry/Hyperideal/EvenAngleSumObstruction.lean
Truth release
sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
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b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
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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.