Stop the war!
Остановите войну!
for scientists:
default search action
"An Extension of Basic Logic."
Frederic Brenton Fitch (1948)
- Frederic Brenton Fitch:
An Extension of Basic Logic. J. Symb. Log. 13(2): 95-106 (1948)
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.