Chapter 3: The World of Simple Programs
Section 1: The Search for General Features
https://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-1--the-search-for-general-features
Section 2: More Cellular Automatahttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-2--more-cellular-automata
Section 3: Mobile Automatahttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-3--mobile-automata
Section 4: Turing Machineshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-4--turing-machines
Section 5: Substitution Systemshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-5--substitution-systems
Section 6: Sequential Substitution Systemshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-6--sequential-substitution-systems
Section 7: Tag Systemshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-7--tag-systems
Section 8: Cyclic Tag Systemshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-8--cyclic-tag-systems
Section 9: Register Machineshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-9--register-machines
Section 10: Symbolic Systemshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-10--symbolic-systems
Section 11: Some Conclusionshttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-11--some-conclusions
Section 12: How the Discoveries in This Chapter Were Madehttps://www.wolframscience.com/nks/chap-3--the-world-of-simple-programs#sect-3-12--how-the-discoveries-in-this-chapter-were-made
