Elsevier

Annals of Mathematical Logic

Volume 16, Issue 3, September 1979, Pages 233-267
Annals of Mathematical Logic

On the length of Borel hierarchies

https://doi.org/10.1016/0003-4843(79)90003-2Get rights and content
Under an Elsevier user license
open archive

Cited by (0)

This paper appeared as Part I of my doctoral dissertation. I would like to thank Professor J.W. Addison for supervising this work.