# [ExI] GPT-4 on its inability to solve the symbol grounding problem

Jason Resch jasonresch at gmail.com
Fri Apr 7 00:19:04 UTC 2023

```On Thu, Apr 6, 2023, 7:09 PM William Flynn Wallace via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

>  human DNA is less than a gigabyte of information, which is surprisingly
> simple, simpler even than modern video games which often are 60+ gigabytes
> in size.
>
> Now you are telling me that a video game is as complex as a person.  Can't
> be.
>

Information is a measure of the number of possible possibilities. Where the
log2(possibilities) = number of bits of information required to uniquely
define one of those possibilities.

There are more possibilities for a 60 GB video game than there are
possibilities of human DNA. Note that most of the information in these
video games are in the images and textures used to paint 3D objects. Think
of how many possible movies there are, with all the possible colors of
pixels (16.7 million) across the millions of pixels in each frame, across
the 172,800 frames in a 2 hour movie.

This is far more than the number of possible combinations of all the 3.2
billion base pairs in the human genome. Each base pair has 4 possibilities,
that's 6.4 billion bits. Divide by 8 to get 0.8 billion bytes, or 800
Megabytes (763 mebibytes). Note that this is not the number of possible
humans but the number of possible DNA based life forms with 3.2 billion
base pairs or less.

The combination of genes is for practical purposes infinite.   bill w
>

Number of possible humans has a ceiling of: 2^(2 * 3.2 billion)

Number of possible DVDs (4.7 GB):
2^(8 * 4.7 billion)

They are huge but finite, and quite comparable in terms of information
content.

Jason

>
> On Thu, Apr 6, 2023 at 4:18 PM Gadersd via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
>
>> The brain at birth has already received plenty of information from the
>> environment.
>>
>>
>> Many animals have gestation periods. The signals received during
>> gestation do not explain the exceptional capabilities of the human brain.
>> The signals in the gestation period of dogs for example is not
>> fundamentally different than that of humans. The hormones, nutrients, etc.
>> are similar. The capabilities of the human brain must be due to the
>> differences in our DNA compared to that of dogs. As Jason pointed out,
>> human DNA is less than a gigabyte of information, which is surprisingly
>> simple, simpler even than modern video games which often are 60+ gigabytes
>> in size.
>>
>> On Apr 6, 2023, at 3:24 PM, spike jones via extropy-chat <
>> extropy-chat at lists.extropy.org> wrote:
>>
>>
>>
>> *…*> *On Behalf Of *Gadersd via extropy-chat
>> *Subject:* Re: [ExI] GPT-4 on its inability to solve the symbol
>> grounding problem
>>
>>
>> >>…The brain is then strictly less complex than DNA.
>>
>>
>> >…I should emphasize that I am referring to the complexity of the brain
>> at birth rather than the brain + information from the environment…
>>
>> The brain at birth has already received plenty of information from the
>> environment.
>>
>> spike
>>
>>
>>
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>>
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