A binary relation R HAS-VALUE-OF-TYPE T on domain instance d if there exists a v such that R(d,v) and v is an instance of T.
(Nth-Domain Has-Value-Of-Type 3 Class) (Nth-Domain Has-Value-Of-Type 2 Binary-Relation) (<=> (Has-Value-Of-Type ?Instance ?Binary-Relation ?Type) (And (Binary-Relation ?Binary-Relation) (Class ?Type) (>= (Value-Cardinality ?Instance ?Binary-Relation) 1) (Value-Type ?Instance ?Binary-Relation ?Type)))