Misunderstands the sense of "right causal powers"
Searle just claims that there is some set of causal powers (brain-based or otherwise) that is necessary for understanding & that formal computer programs lack that set of causal powers.
Searle doesn't claim that anything producing intentionality must be equivalent to a brain.

Karl Pfeifer, 1992.
Immediately related elementsHow this works
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Artificial Intelligence »Artificial Intelligence
Can computers think? [1] »Can computers think? [1]
Yes: physical symbol systems can think [3] »Yes: physical symbol systems can think [3]
The Chinese Room Argument [4] »The Chinese Room Argument [4]
Understanding arises from right causal powers »Understanding arises from right causal powers
Sufficiency doesn't imply necessary powers »Sufficiency doesn't imply necessary powers
Misunderstands the sense of "right causal powers"
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