If in a language the definiteness of a class of noun phrases is an order-significant property, this class will include both objects and intransitive subjects, but not transitive subjects.
Standardized
IF definite objects are differently ordered from indefinite ones, THEN also definite intransitive subjects will be differently ordered from indefinite ones. IF definite intransitive subjects are differently ordered from indefinite ones, THEN also definite objects will be differently ordered from indefinite ones.
The statement predicts that there is no language where definite transitive subjects are differently ordered from indefinte ones (Moravcsik 1978d: 266).
The statement predicts that there is no language where definite transitive subjects are differently ordered from indefinte ones (Moravcsik 1978d: 266).