default search action
"The Theory of Classes a Modification of Von Neumann's System."
Raphael M. Robinson (1937)
- Raphael M. Robinson:
The Theory of Classes a Modification of Von Neumann's System. J. Symb. Log. 2(1): 29-36 (1937)
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.