Certain Extensions of Modal System S4.by Boleslaw Sobociński;Concerning Some Extensions of S4.by Boleslaw Sobocinski;Solutions to Four Modal Problems of Sobocinski.by G. F. Schumm;A Study of Some Systems in the Neighborhood of S4.4.by J. Jay Zeman;A New Class of Modal Systems.by Boleslaw Sobocinski;A Proper Subsystem of S4.04.by Boleslaw Sobocinski

✍ Scribed by Review by: M. J. Cresswell

• Book ID: 124972212
• Publisher: Association for Symbolic Logic
• Year: 1975
• Tongue: English
• Weight: 83 KB
• Volume: 40
• Category: Article
• ISSN: 0022-4812
• DOI: 10.2307/2271811