On the Theory of Deduction, Part II. The Definitions of Classical and Intuitionist Negation (1948)
David A. Binder, Thomas Piecha, Peter Schroeder‐Heister · Trends in logic · 2022
This article is a corrected reprint of K. R. Popper (1948c). On the Theory of Deduction, Part II. The Definitions of Classical and Intuitionist Negation. In: Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings of the Section of Sciences 51, pp. 322–331.