They are also known as a set system or family of sets in a general context .
Incidence structures use a geometric terminology , but in graph theoretic terms they are called hypergraphs and in design theoretic terms they are called block designs .
Incidence structures are also known as a set system or family of sets in a general context .
Incidence structures use a geometric terminology , but in graph theoretic terms they are called hypergraphs and in design theoretic terms they are called block designs .