trureturingGitHub MATHEMATICAL ATLAS

ConceptDynamics / CONCEPT

Free-root amalgamation and the infinite sharpness countermodel

The actual free group on Bool is an infinite nonnilpotent sharpness countermodel with unique coprime roots.

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DIRECT PREREQUISITES1
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THEOREM

Exact FreeGroup Bool countermodel

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Unique coprime root amalgamation in nilpotent groupsUnique coprime rootamalgamation in nilpotentgroupsFree-root amalgamation and the infinite sharpness countermodelFree-root amalgamation and theinfinite sharpness countermodel
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Lean sourceResearch workspace
Status
Closed
Depth
1
Layer
D5/S3
Domain
ConceptDynamics
Node ID
D5/S3/ConceptDynamics/Coding/PrimitiveLifts/FreeRootAmalgamation
Repository path
D5/S3/ConceptDynamics/Coding/PrimitiveLifts/FreeRootAmalgamation.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.