@InProceedings{berger_et_al:LIPIcs.TYPES.2018.1, author = {Berger, Ulrich and Matthes, Ralph and Setzer, Anton}, title = {{Martin Hofmann’s Case for Non-Strictly Positive Data Types}}, booktitle = {24th International Conference on Types for Proofs and Programs (TYPES 2018)}, pages = {1:1--1:22}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-106-1}, ISSN = {1868-8969}, year = {2019}, volume = {130}, editor = {Dybjer, Peter and Esp{\'\i}rito Santo, Jos\'{e} and Pinto, Lu{\'\i}s}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.TYPES.2018.1}, URN = {urn:nbn:de:0030-drops-114052}, doi = {10.4230/LIPIcs.TYPES.2018.1}, annote = {Keywords: non strictly-positive data types, breadth-first traversal, program verification, Mendler-style recursion, System F, theorem proving, Coq, Agda, Haskell} }