• Olcott and the red stain.

    From Fred. Zwarts@21:1/5 to All on Tue Jul 22 12:58:49 2025
    ;-)

    Suppose Olcott is visiting a restaurant with many other people. One of
    them, by accident, drops some beetroot on Olcott's back. Now we can ask
    all people: "Does Olcott have a red stain on his back?". They will all
    say: "yes he has a red stain on his back.". But what happens when we
    would ask it Olcott himself:
    I think he will say:
    "That all others see a red stain on may back is not the correct measure.
    I cannot report on what other people see. I must report on my own back,
    other people are not reporting on there own back, so we are not
    reporting on the same back. What other people see is not the input for
    my eyes. The correct measure for a red stain is that my eyes are
    reachable for the red light. Since the light from my back cannot
    possible reach my eyes, the input for my eyes does not specify a red
    stain. Therefore, I have 100% proven that the input specifies that there
    is no red stain on my back. When somebody says that I am wrong to claim
    that there is no red stain on my back, he is a liar and does not pay
    enough attention to what I say."

    ;-)

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  • From Mr Flibble@21:1/5 to Fred. Zwarts on Tue Jul 22 17:54:40 2025
    On Tue, 22 Jul 2025 12:58:49 +0200, Fred. Zwarts wrote:

    ;-)

    Suppose Olcott is visiting a restaurant with many other people. One of
    them, by accident, drops some beetroot on Olcott's back. Now we can ask
    all people: "Does Olcott have a red stain on his back?". They will all
    say: "yes he has a red stain on his back.". But what happens when we
    would ask it Olcott himself:
    I think he will say:
    "That all others see a red stain on may back is not the correct measure.
    I cannot report on what other people see. I must report on my own back,
    other people are not reporting on there own back, so we are not
    reporting on the same back. What other people see is not the input for
    my eyes. The correct measure for a red stain is that my eyes are
    reachable for the red light. Since the light from my back cannot
    possible reach my eyes, the input for my eyes does not specify a red
    stain. Therefore, I have 100% proven that the input specifies that there
    is no red stain on my back. When somebody says that I am wrong to claim
    that there is no red stain on my back, he is a liar and does not pay
    enough attention to what I say."

    ;-)

    Some analogies are worse than others; this one is particularly bad.

    /Flibble

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  • From Jeff Barnett@21:1/5 to Mr Flibble on Tue Jul 22 12:13:18 2025
    On 7/22/2025 11:54 AM, Mr Flibble wrote:
    On Tue, 22 Jul 2025 12:58:49 +0200, Fred. Zwarts wrote:

    ;-)

    Suppose Olcott is visiting a restaurant with many other people. One of
    them, by accident, drops some beetroot on Olcott's back. Now we can ask
    all people: "Does Olcott have a red stain on his back?". They will all
    say: "yes he has a red stain on his back.". But what happens when we
    would ask it Olcott himself:
    I think he will say:
    "That all others see a red stain on may back is not the correct measure.
    I cannot report on what other people see. I must report on my own back,
    other people are not reporting on there own back, so we are not
    reporting on the same back. What other people see is not the input for
    my eyes. The correct measure for a red stain is that my eyes are
    reachable for the red light. Since the light from my back cannot
    possible reach my eyes, the input for my eyes does not specify a red
    stain. Therefore, I have 100% proven that the input specifies that there
    is no red stain on my back. When somebody says that I am wrong to claim
    that there is no red stain on my back, he is a liar and does not pay
    enough attention to what I say."

    ;-)

    Some analogies are worse than others; this one is particularly bad.
    Would it improve if we had a child with a "light touch" copy a Halting
    Theorem proof on the back of his t-shirt? Since we can suppose that the
    child, like PO, has no understanding of the meaning of the marks on the
    back of the t-shirt, we can bump up this metaphor to include certain
    aspects of the Chinese Room conundrum!
    --
    Jeff Barnett

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