(Page 1141a) Notes for: The Principle of Computational Equivalence | Undecidability and Intractability Multiway tag systems As an extension of ordinary multiway systems one ...

(Page 0937a) Notes for: Two Dimensions and Beyond | Multiway Systems Implementation [of multiway systems] It is convenient to represent the state of a multiway system at each ...

(Page 1103b) Notes for: Processes of Perception and Analysis | Human Thinking Context-free languages The set of valid expressions in a context-free language can be defined ...

(Page 0957a) Notes for: Starting from Randomness | The Notion of Attractors Implementation [of cellular automaton state networks] One can represent a network by a list such ...