1 Erratum to: Topoi DOI 10.1007/s11245-017-9460-1

In the original publication of the article, the M. G. F. Martin quotation under the section “Relational Views” cited as (2004: 93) is from p. 83 of his (1997) The reality of appearances, in Sainsbury M. (ed) Thought and ontology, Franco Angeli, Milano, pp. 81–106, reprinted on p. 93 of Byrne A., Logue H. (eds) (2009) Disjunctivism: contemporary readings, MIT Press, Cambridge, pp. 91–115.