ABSTRACT
The definition of a semi-copula extends that of a copula; semi-copulas have appeared in contexts like reliability theory [Bassan and Spizzichino, 2005b], fuzzy set theory and multivalued logic [Durante et al., 2007a; Ha´jek and Mesiar, 2008], non-additive measures and integrals [Klement et al., 2010], and probabilistic metric spaces [Saminger-Platz and Sempi, 2008, 2010].
