Mathematische ZeitschriftDecember 1935, Volume 39, Issue 1, pp 176–210 | Cite asUntersuchungen über das logische Schließen. IAuthorsAuthors and affiliationsGerhard GentzenArticle 4 Shares 765 Downloads 773 Citations This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer-Verlag 1935Authors and AffiliationsGerhard Gentzen11.Göttingen