Statements (11)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:mathematical_concept | 
| gptkbp:debunkedBy | gptkb:Graham_Higman | 
| gptkbp:field | gptkb:mathematics group theory | 
| gptkbp:namedAfter | gptkb:Bernhard_Neumann | 
| gptkbp:relatedTo | free groups subgroups | 
| gptkbp:status | disproven | 
| gptkbp:bfsParent | gptkb:Hanna_Neumann | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Neumann conjecture |