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Real AI? Don't be fooled

By Graham Preston - posted Thursday, 14 December 2017


No, just like a spade or any other machine, a computer is nothing more than a lifeless, non-conscious, non-intelligent, non-thinking lump of matter (albeit intricately assembled) that is useful as a tool for human beings. And this will be true of any future machines/computers that humans create.

Yet it is obvious that human beings are intelligent, thinking entities. (If we don't believe that is so . . . well, what can one say?) So, it will be objected, if humans are intelligent why should it not be possible for them to use that intelligence to create other intelligent entities? After all, if all life, including intelligent human life, has just happened by itself to evolve out of pond scum, then why wouldn't we be able to deliberately bring about other intelligent life?

The key question now is, what are the criteria for something to be identified as being intelligent? One necessary requirement is that it must have agency, i.e. it must have free will.

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For something to be a thinking thing it must be able to initiate active power to make intentional, voluntary decisions. For example, this is what a human being does when they purposely or intentionally raise their hand to make a bid at an auction or choose to refrain from raising their hand and not bid. Thus we can identify them as a free agent.

If there is no free will though, then everything that happens is determined, i.e. everything happens simply as a consequence of the laws of physics acting upon matter. If the "thoughts" that arise in human minds are just the end result of a long chain of unbidden, uncontrolled mindless physical processes then "thoughts" are nothing more than so much internal noise. An agent however is in control of their thoughts and is not just a passive object through which the chain of states of affairs passes.

But no such agent can exist if a physicalist account of the universe is accepted, i.e. physical matter is the only substance in the universe. Matter alone is passive and inert and cannot generate causal powers. It is only if an entity has a non-physical substance, something that is to some extent outside the mechanical unfolding of the universe, that it is possible for there to be free will and intelligence.

Can human beings create such a dual substance entity which has originating causal powers? For those who believe in the possibility of real artificial intelligence, many hope that by generating a sufficient degree of complexity in a system that will somehow bring intelligence into being. However that is just a massive leap of faith. We have no idea how a physical substance could have evolved to generate a non-physical substance that has the requisite ability to display free agency. Neither do we have any idea how we could create such a non-physical substance.

Machines are fully causally determined. They do not think. They cannot be right or wrong in what they produce. They have no goals.

If people are machines then people do not think. Yet people indisputably do think. Therefore people are not machines. People are free agents and this provides evidence that they are made up of two substances – one physical and one non-physical.

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When humans use a machine such as a computer it is the human who is carrying out a procedure, with the machine, no matter how complex it may be, being a mere tool that makes it easier for the human to reach their goal.

We have no reason to believe that humans will ever be able to create the non-physical substance that is a necessary requirement for something to be a free agent and an intelligent entity.

Don't be fooled. No matter how incredibly impressive computers/robots will become, they will never be intelligent. They will always remain lifeless, non-conscious, non-intelligent, non-thinking lumps of matter – like a very fancy spade.

It is always and only the humans – they who make and use the computers/robots - who are the intelligent entities.

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About the Author

Graham Preston is an illustrator and a student of life.

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