Universal 818:
- Original
- Standardized
- Normal hierarchy of increasing markedness in vowels: /E / ⇒ /a/ ⇒ /e/ ⇒ /i/ ⇒ /ü/ ⇒ /ö/ ⇒ /œ / (front set), /E / ⇒ /a/ ⇒ /o/ ⇒ /u/ (back set).
- Keywords
- hierarchy, markedness, vowel
- Domain
- phonology
- Type
- implicational hierarchy
- Status
- achronic
- Quality
- statistical
- Basis
- unspecified
- Source
- Décsy 1987: 67
- Counterexamples
Thus:If there is x in the inventory, then there will also be x-1.