One of the preconditions for the development of distinctively nasalized vowels exists in English.
"demonstration experiment"
Phonetic base for phonology:
The case of labial-velars, [kp, gb, etc]
Chomsky and Halle(1968): determined by phonological evidence, not phonetic evidence
[m,n,ng,w] cavity length (of anti-resonance): m>n>ng>w
w->devoiced/_t e.g. 'lieutenant'
Intensity: inherent intensity + the way of sounds modified when it passes through a resonant cavity.
# Phonological phenomena are determined by basic physical phonetic principles, not abstract taxonomic caracter.
Ohala 1990 is a "demonstration" experiment.
The "acoustic modulation" theory of phonotactics shows the goodness of phonetic knowledge in phonological study.
"Feature geometry" (Clements 1985) wouldn't work for the labia-velars and assimilation test, and the fact that [velar] place influence [voice].
Anderson (LI 1981 "Why phonology isn't "natural") <-> we are making the area of ignorance smaller and smaller. More fundamenta folly is that: the sound pattern and its change are led by grammars, not by the listeners.
between ~ betweenity....so this phonological rule is not very productive.
"it is going to necessary to discover conditions on theory cnstructions...."
(Chomsky 1967, Verbatim discussion in Brain mechanism underlying speech and language)
Just by examining surface phonology, it is hard to get what's inside speaer's brain.
The most important attitude in science is doubt, and eExperiments are the way to resolve doubt.
rationalism vs. empiricism: In my opinion, generative phonology is more like logic, and phonetics is more of science. I am strongly in favor of phonetics and acoustic phonetics, but to me it seems that there exists mental abstract representation in human mind. So, logic is done with abstract features (like numbers and symbols in math), and science is done in domain of phonetics and acoustics. Of course the two domains must not be separated, and we need a fine method to combine the two areas together.
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