>Kenneth macKendrick wrote:
>
> >Language is inherent to cognitive development. This is irrefutable.
> >Linguistic interaction constitutes the medium of our capacity to
> >understanding. This is irrefutable.
>
>Aren't you here claiming that a person, born profoundly deaf into a
>non-literate village or hunting-gathering community, is permanently
>incapable of cognitive development?
By language Habermas means any and all kinds of symbolic exchanges between human beings: which includes verbal and nonverbal forms of expression / communication. Anything with 'grammar' can be considered 'linguistic' in the broadest possible sense of the term.
ken, untrue to my own declared intentions