Universal 475: large case system ⇒ insensitive separatist morphology
Original
As far as Case is concerned, cumulative exponents (and sensitive separatist exponents) appear to limit the number of terms that may potentially realize this inflexional category to no more than ten terms, while this limit may be exceeded with insensitive separatist exponents of Case terms. (OR Languages with insensitive separatist morphology have large case paradigms).
Standardized
IF a case system is extra-large (beyond a dozen or so cases), THEN exponents of case are insensitive separatist (rather than sensitive cumulative).
See #476 for the definition of “cumulative”, “separatist”, “sensitive”, “insensitive”.