default search action
"New Foundations for Lewis Modal Systems."
E. J. Lemmon (1957)
- E. J. Lemmon:
New Foundations for Lewis Modal Systems. J. Symb. Log. 22(2): 176-186 (1957)
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.