Home Studia Logica Article Announcement Published: September 1981 Volume 40, page 311, (1981) Cite this article Studia Logica Aims and scope Submit manuscript 17 Accesses Explore all metrics This is a preview of subscription content, log in via an institution to check access. Access this article Log in via an institution Buy article PDF USD 39.95 Price excludes VAT (USA) Tax calculation will be finalised during checkout. Instant access to the full article PDF. Rent this article via DeepDyve Institutional subscriptions Rights and permissionsReprints and permissionsAbout this articleCite this article Announcement. Stud Logica 40, 311 (1981). https://doi.org/10.1007/BF02584064Download citationIssue Date: September 1981DOI: https://doi.org/10.1007/BF02584064Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.Copy to clipboard Provided by the Springer Nature SharedIt content-sharing initiative