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this post was submitted on 29 Jul 2023
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"The room understands" is a common counterargument, and it was addressed by Searle by proposing that a person memorize the contents of the book.
And the room passes the Turing test, that does not mean that "it passes all the tests we can throw at it". Here is one test that it would fail: it contains various components that respond to the word "red", but it does not contain any components that exclusively respond to any use of the word "red". This level of abstraction is part of what we mean by understanding. Internal representation matters.
It wasn't addressed, he just added a layer of nonsense on top of a nonworking though experiment. A human remembering and executing rules is no different from reading those rules in a book. It doesn't mean a human understands them, just because he remembers them. The human intuitive understanding works at a completely different level than the manual execution of mechanical rules.
Not getting it.
This is exactly Searle's point. Whatever the room is doing, it is not the same as what humans do.
If you accept that, then the rest is semantics. You can call what the room does "intelligent" or "understanding" if you want, but it is fundamentally different from "human intelligence" or "human understanding".
He fails to show that. All he has shown that the human+room-system is something different than just the human by itself. Well, doh, nobody ever assumed otherwise. Running a NES emulator on my modern x86-64 CPU is something different from running an original NES too. That doesn't mean that the emulator is more or less capable than the real NES or that the underlying rules driving the emulator are different from the real thing. You have to actually test the systems and find ways in which they differ. Searle's experiments utterly fails here.
It's more than that. He says that all Turing machines are fundamentally the same as the Chinese room, and therefore no Turing machine will ever be capable of "human understanding".
Alternately, if anyone ever builds a machine that can achieve "human understanding", it will not be a Turing machine.