@InProceedings{kirst_et_al:LIPIcs.ITP.2021.23, author = {Kirst, Dominik and Hermes, Marc}, title = {{Synthetic Undecidability and Incompleteness of First-Order Axiom Systems in Coq}}, booktitle = {12th International Conference on Interactive Theorem Proving (ITP 2021)}, pages = {23:1--23:20}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-188-7}, ISSN = {1868-8969}, year = {2021}, volume = {193}, editor = {Cohen, Liron and Kaliszyk, Cezary}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2021.23}, URN = {urn:nbn:de:0030-drops-139188}, doi = {10.4230/LIPIcs.ITP.2021.23}, annote = {Keywords: undecidability, synthetic computability, first-order logic, incompleteness, Peano arithmetic, ZF set theory, constructive type theory, Coq} }