Source authenticated

Kourovka Problem 21.8 - Horizontal Class Transpositions

VibeMathed recorded: Kourovka Problem 21.8 - Horizontal Class Transpositions. Consult the linked registry entry for the original report and scope.

Exact FrontierDelta

Prior state unknown→proved

Scope and record

Occurred: Jul 20, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: lean-verified. Publication: preprint. AI contribution: ai-discovered. Editorial metadata: CC BY 4.0; linked content retains its own rights.

Canonical aliases: Kourovka Problem 21.8 - Horizontal Class Transpositions · Kourovka 21.8

Confidence: Not scored

Registry verification: lean verified · preprint · resolved

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Attribution

VibeMathed
registry · event recorded by

Aristotle
model · ai model contributor · Harmonic

Lineage and corrections

This event attributed to Aristotle

VibeMathed record: Kourovka Problem 21.8 - Horizontal Class Transpositions evidence for this event

Kourovka Problem 20.125 - Noninjective Rota-Baxter Operator evidence for this event

Kourovka Problem 21.8 - Horizontal Class Transpositions parent of this event

Registry resolution: resolved. Reported result type: proved. The registry record and named primary source provide the statement and scope. parent of this event

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