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Re: [engelang] All languages share a single origin?

2012/9/24 Leonardo Castro <leolucas1980@hidden.email>

That is, there must be anything like interchange of phonemes
among languages that are geographically close to each other.
I just don't know if it happens in a significant level.
For the thesis of the paper to work, it might be necessary

And probably the relevant quantity to be analysed should be
the level of phonemic diversity *among* local languages
(maybe measure by a kind of local correlation coefficient),
instead the phonemic diversity *within* languages.

But, if phoneme interchanges really happened, these quantities
may be proportional to each other.