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"This has dramatic implications. For it immediately illuminates venerable puzzles concerning what non-human animals can think or experience, and whether they can reason or act for reasons. It sheds no less light on the question of whether machines can think, or whether we shall be able, sometime in the future, to make machines that can think. It is not surprising that Wittgenstein exclaimed ‘How much one must be able to do before one can be said to think’. It has equally dramatic consequences for theology, both for the belief that we survive, bodilessly, after death and for the idea that there can be a supreme thinking being that has no body."

Wittgentein's ideas have echoes and deep relationships with modern subjects like cognitive science and artificial intelligence (and sensitive ones, like religion and beliefs in the supernatural). In the case of AI, what is interesting is that his ideas do not discuss whether it's possible or not to create a thinking machine (i.e. technically or scientifically), but rather what it would really mean (conceptually).

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