Does the person Should we say that the person… who has not learnt the language
know<…>s wh that he sees red but can't express

it?— Or should we say: “he knows what he sees
but can't express it”?— So, besides seeing it, he
also knows what he sees?
      Imagine we described a totally different
experiment; say this, that I sting someone with
a needle & observe wheter he cries out or not makes a sound or not. Then
surely it would interest us if the subject <…>

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whenever we often when we stung him saw, say, a red [|c]ircle. And
we would distinguish the case when he
cried out & saw a circle from the case
when he cried out & didn't see one.
     This case is quite straightforward & there is
no problem about it. seems
to be nothing problematic in it.