Statement:
There is a subset of \({\Bbb R}\) which is not Borel.
Howard_Rubin_Number: 273
Parameter(s): This form does not depend on parameters
This form's transferability is: Transferable
This form's negation transferability is: Negation Transferable
Article Citations:
Truss-1974b: Models of set theory containing many perfect sets
Book references
Note connections: