No set of case marking elements express neither subject-object nor concrete relations.
Standardized
IF a relational marker (case, adposition) does not express subject-object relations, THEN it will express local relations. IF it does not express local relations, THEN it will express subject-object relations.
Keywords
case, adposition, grammatical relations, local relations
Kilby 1981: 120-121: “Given that bound morphemes fit naturally into the expression of subject-object relations, while independent morphemes naturally express concrete relations, this does not appear to leave much room for a system which expresses neither. Isolated individual forms, such as the English possessive postposition ’s, are the only case marking elements which can be expected to fill this gap.”
Kilby 1981: 120-121: “Given that bound morphemes fit naturally into the expression of subject-object relations, while independent morphemes naturally express concrete relations, this does not appear to leave much room for a system which expresses neither. Isolated individual forms, such as the English possessive postposition ’s, are the only case marking elements which can be expected to fill this gap.”