At the (Hyper-)Edge of Group Ontology

This manuscript argues to for representing social groups using hypergraphs for the purposes of social ontology. The text has not been published before, as it never reached a form suitable for submission. However, the text has been cited as a manuscript in Kit Fine's article "The Identity of Social Groups". To complete the record and for the purpose of documentation, I provide the last version of the manuscript here. I thank Kit Fine for comments on the manuscript.