“He mostly sees red where we see red”

The normal use of the expression “he sees green where … ” ist this: We take it as the criterium for that my ◇◇◇ meaning the same by ‘red’ as

we do
the other people

that ˇas a rule I he argues with

us
them

in giving the same names to the colours of objectss as

we
they

do. If then in a particular instant he says something is red when we should say that it's green we say that he sees it different from us.
Notice how in such a case we would behave. We should look for a cause of his differing judgement & if we had found one we should certainly be inclined to say he saw red when we saw green.

It is further [k|c]lear that even before ever finding such a cause we might under circumstances be inclined to say this. But also that we can't give a strict rule for … .

(2015–) Wittgenstein Source Bergen Nachlass Edition (WS-BNE). Edited by the Wittgenstein Archives at the University of Bergen under the direction of Alois Pichler. In: Wittgenstein Source, curated by Alois Pichler (2009–) and Joseph Wang-Kathrein (2020–). (N) Bergen: WAB.