Universal 721: contour tones ⇒ level tones
- Original
- If a language has contour tones, it also has level tones.
- Standardized
- IF there are contour tones, THEN there are level tones.
- Keywords
- tone, contour tone, level tone
- Domain
- phonology
- Type
- implication
- Status
- achronic
- Quality
- statistical
- Basis
- languages in Maddieson 1978
- Source
- Maddieson 1978: 345, also cited in Holenstein 1985: 143.
- Counterexamples
- Khan Tibetan, Chinese Dialects (both Sino-Tibetan), Boro (Omotic, Afro-Asiatic)
