Erratum to: Minds & Machines (2011) DOI 10.1007/s11023-011-9229-z

Under the section heading “Design of a Meta-Ethical Robot”, the sentence starting with “\( {\mathfrak{S}}_{\rm T}^{^\circ } \) has the same language as the propositional…” should read as below: “\( {\mathfrak{S}}_{\rm T}^{^\circ } \) has the same language as the propositional calculus, except that there is an additional unary connective □, read as…”