Abstract
This collection of articles on Models of Arithmetic is dedicated to the memory of Zygmunt Ratajczyk, who contributed a number of important results to the field, and who unexpectedly died in February 1994.
Citation
Peter Clote. "Editor's Introduction." Notre Dame J. Formal Logic 36 (4) 499 - 501, Fall 1995. https://doi.org/10.1305/ndjfl/1040136910
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