Universal 1775: 
- Original
- See IPA.
- Standardized
- IF nasalized /i/ lowers to nasalized /e/, THEN nasalized /e/ also lowers to nasalized /a/.
- Keywords
- nasal, lowering, vowel
- Domain
- phonology
- Type
- implication
- Status
- unclear whether diachronic and/or achronic
- Quality
- absolute
- Basis
- Indo-European languages and Finnish
- Source
- Foley 1977: 68
- Counterexamples
