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Simple and complex systems
Simple and complex systems

Revision as of 18:07, 3 November 2023

Philosophy and Artificial Intelligence 2024

Jobst Landgrebe and Barry Smith

MAP, USI, Lugano, Spring 2024

Background

Much of the material for this class is derived from our book Why Machines Will Never Rule the World: Artificial Intelligence without Fear (Routledge 2022). Artificial Intelligence (AI) is the subfield of Computer Science devoted to developing programs that enable computers to display behavior that can (broadly) be characterized as intelligent. On the strong version, the ultimate goal of AI is to create an artificial system that is as intelligent as a human being. Recent successes of ChatGPT and other Large Language Models (LLMs) have led to a new popularization of AI, since these tools are immediately available to the wider population, who for the first time can have real hands-on experience of what AI can do. LLMs belong to the class of stochastic AI.

These developments in AI open up a series of questions such as:

Will the powers of AI continue to grow in the future, and if so will they ever reach the point where they can be said to have intelligence equivalent to or greater than that of a human being?
Could we ever reach the point where we can accept the thesis that an AI system could have something like consciousness or sentience?
Could we reach the point where an AI system could be said to behave ethically, or to have responsibility for its actions.
Can quantum computers enable a stronger AI than what we have today?

We will describe in detail how stochastic AI work, and consider these and a series of other questions at the borderlines of philosophy and AI. The class will close with presentations of papers on relevant topics given by students.

Table of contents, first chapter and references

Faculty

Jobst Landgrebe is the founder and CEO of Cognotekt, GmBH, an AI company based in Cologne specialised in the design and implementation of holistic AI solutions. He has 17 years experience in the AI field, 8 years as a management consultant and software architect. He has also worked as a physician and mathematician.

Barry Smith is one of the world's most widely cited philosophers. He has contributed primarily to the field of applied ontology, which means applying philosophical ideas derived from analytical metaphysics to the concrete practical problems which arise where attempts are made to compare or combine heterogeneous bodies of data.

Course Description

Artificial Intelligence (AI) is the subfield of Computer Science devoted to developing programs that enable computers to display behavior that can (broadly) be characterized as intelligent. On the strong version, the ultimate goal of AI is to create an artificial system that is as intelligent as a human being. Recent striking successes such as AlphaFold have convinced many not only that this objective is obtainable but also that in a not too distant future machines will become even more intelligent than human beings.

The actual and possible developments in AI open up a series of striking questions such as:

  • Can a computer have a conscious mind?
  • Can a computer have desires, a will, and emotions?
  • Can a computer have responsibility for its behavior
  • Would machine intelligence, if there is such a thing, be something comparable to human intelligence or something quite different?

In addition, new developments in the AI field make it possible for us to consider a series of philosophical questions in a new light, including:

  • Could a machine have something like a personal identity? Would I really survive if the contents of my brain were uploaded to the cloud?
  • What is it for a human to behave in an ethical manner? (Could there be something like machine ethics? Could machines used in fighting wars be programmed to behave ethically?)
  • What is a meaningful life? If routine, meaningless work in the future is performed entirely by machines, will this make possible new sorts of meaningful lives on the part of humans?

After introducing the relevant ideas and tools from both AI and philosophy, all the aforementioned questions will be thoroughly addressed in class discussions. The class will close with presentations of papers on relevant topics given by students.

Very Early Draft Schedule

Tuesday, February 20 (14:30-17:15) Why machines will never rule the world

This is an introduction to the book, with an emphasis on the relation between a human mind and the intelligence that might be ascribed to a machine
Room:

Readings:

John Searle: Minds, Brains, and Programs
Jobst Landgrebe and Barry Smith: There is no Artificial General Intelligence

Wednesday February 21 (9:30-12:15 noon):

Room:

Artificial General Intelligence

An introduction to ChatGPT. How is it built? How does it work? Is it intelligent?

The classical psychological definitions of intelligence are:  

A. the ability to adapt to new situations (applies both to humans and to animals) 
B. a very general mental capability (possessed only by humans) that, among other things, involves the ability to reason, plan, solve problems, think abstractly, comprehend complex ideas, learn quickly, and learn from experience 

What are the essential marks of human intelligence? 

Readings:

Linda S. Gottfredson. Mainstream Science on Intelligence. In: Intelligence 24 (1997), pp. 13–23.


The Legg-Hutter Definition of Intelligence

What is it that researchers and engineers are trying to do when they talk of achieving ‘Artificial Intelligence’?

To what extent can AI be achieved? 

Problems with the Legg-Hutter Definition of Intelligence

Theory of complex systems

Readings:

Shane Legg and Marcus Hutter: Universal Intelligence: A Definition of Machine Intelligence
Jobst Landgrebe and Barry Smith: Making AI Meaningful Again
S. Thurner et al. (2018): Introduction to the theory of complex systems (Oxford):

Thursday, February 22 (14:30 - 17:15): Language and Natural Intelligence

Language Structure and Language Economy

Large Language Models

Natural Intelligence

Friday, February 23 (9:30 - 12:15) The Missing Human Will

Slides

Simple and complex systems

The human will

The missing machine will

Consequences for the limits of AI

Preliminary Remarks on ChatGPT and other Large Language Models

Monday, May 13 (9:30 - 12:15) Quantum Computation 1

1. Introduction to the theory of computation and of Turing machines: What is a Turing machine?, Turing machine elements and structure, example of a Turing machine, recursive functions, non-recursive functions, Church-Turing computability

2. Classical logic-gate based computation: binary logic of computers, registers, logic gates and circuits, examples of circuits

3. Quantum mechanics: superposition, double slit, uncertainty, Stern-Gerlach, Hamiltonian, Hilbert space

Source: Nielsen and Chuang, Quantum Computation and Quantum Information

Video

Slides for Parts 1 and 2

Tuesday, May 14 (9:30 - 12:15) Quantum Computation 2

Continues Wednesday's lecture:

4. Quantum computing: quantum bits, registers, quantum gates, simple quantum algorithm, quantum error (correction), future of quantum computing

5. Philosophical interpretation of quantum computing

6. Why quantum computers are Turing machines

Mikhail Dyakonov, The Case Against Quantum Computing

Video

Wednesday May 15 (9:30 - 12:15): The Nature of Intelligence: Humans vs. ChatGPT

Human and machine intelligence

Can ChatGPT become intelligent?

Are Large Language Models a threat to humanity?

Capabilities, or: What do IQ tests measure?

Slides

Is Psychology Finished?

Slides

Thursday May 16 (14:30 - 18:15) Transhumanism, Digital Immortality and the Meaning of Life

Max More and Natasha Vita-More (Eds.), The Transhumanist Reader: Classical and Contemporary Essays on the Science, Technology, and Philosophy of the Human Future, Wiley-Blackwell, 2013.

Friday May 17 (9:30-12:15) Student Presentations and Concluding Survey

Student Presentations

Aaron Wirt: Politics and Digital Technologies

Sven Eichholtz: A Critique of Cross-modal Vector Space Alignment for Capturing Referential Semantics

Jahmaira Archbold: AI to Understand Animal Communication

​David Alarcon and ​Davide Casnici: I​n Turing's and Gödel's Shadows: The Inaccessible Horizons of Artificial Intelligence

Qianbo Zang: Would machine intelligence, if there is such a thing, be something comparable to human intelligence or something quite different?

Background Reading

An Introduction to AI for Philosophers

Video
Slides

(AI experts are invited to criticize what I have to say here)

An Introduction to Philosophy for Computer Scientists

Video
Slides

(Philosophers are invited to criticize what I have to say here)

John McCarthy, "What has AI in common with philosophy?"