


default search action
"Descending Sequences of Degrees."
John R. Steel (1975)
- John R. Steel:
Descending Sequences of Degrees. J. Symb. Log. 40(1): 59-61 (1975)

manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.