This article introduces Globular, an online proof assistant for the formalization and verification of proofs in higher-dimensional category theory. The tool produces graphical visualizations of higher-dimensional proofs, assists in their construction with a point-and-click interface, and performs type checking to prevent incorrect rewrites. Hosted on the web, it has a low barrier to use, and allows hyperlinking of formalized proofs directly from research papers. It allows the formalization of proofs from logic, topology and algebra which are not formalizable by other methods, and we give several examples.
@InProceedings{bar_et_al:LIPIcs.FSCD.2016.34, author = {Bar, Krzysztof and Kissinger, Aleks and Vicary, Jamie}, title = {{Globular: An Online Proof Assistant for Higher-Dimensional Rewriting}}, booktitle = {1st International Conference on Formal Structures for Computation and Deduction (FSCD 2016)}, pages = {34:1--34:11}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-010-1}, ISSN = {1868-8969}, year = {2016}, volume = {52}, editor = {Kesner, Delia and Pientka, Brigitte}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSCD.2016.34}, URN = {urn:nbn:de:0030-drops-59880}, doi = {10.4230/LIPIcs.FSCD.2016.34}, annote = {Keywords: higher category theory, higher-dimensional rewriting, interactive theorem proving} }
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