@article{Kracht_2019, title={Groups and Sheaves}, volume={6}, url={https://ojs.ub.uni-konstanz.de/sub/index.php/sub/article/view/829}, DOI={10.18148/sub/2002.v6i0.829}, abstractNote={<p>A group is formed by using the word <em>and</em>, as in <em>John and Mary</em>. Likewise, a sheaf is formed using the word <em>or</em>, as in <em>John and Mary</em>. This paper has two goals: to establish arguments in favour of sheaves, and, secondly, to determine the algebraic structure formed by the universe under the operations corresponding to (group forming)<em>and</em> and (sheaf forming)<em>or</em>.</p>}, journal={Proceedings of Sinn und Bedeutung}, author={Kracht, Marcus}, year={2019}, month={Aug.}, pages={233–240} }