“Things are only real after one has learned to agree on their realness. What took place this evening, for instance, cannot possibly be real to you, because no one could agree with you about it. ‘Do you mean that you didn’t see what happened?’. Of course I did. But I don’t count. I am the one who’s lying to you, remember?”
Carlos Castaneda

Tales of Power

Generative vs. Descriptive

“Does the DNA contain a full description of the organism to which it will give rise? The answer is no. The genome contains instead a program of instructions for making the organism – a generative program …

A descriptive program, like a blueprint or a plan, describes an object in some detail, whereas a generative program describes how to make an object … consider Origami … by folding a piece of paper in various directions, it is quite easy to make a paper hat or a bird from a single sheet. To describe in any detail the final form of the paper with the complex relationships between its parts is really very difficult, and not of much help in explaining how to achieve it. Much more useful and easier to formulate are instructions on how to fold the paper … a generative program for making a particular structure.”

Lewis Wolpert – Principles of Development
quoted in
Christopher Alexander – The Nature of Order – Book 2: The Process of Creating Life

Nature of Order - Table of Contents"

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