Cybernetic theory

[From Rupert Young (990131.1800) UT]

Is PCT a Cybernetic theory ? What are the main differences between PCT and Cybernetics ?
What is Cybernetics ? Any answers appreciated ?

Regards,
Rupert

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[FRom Bill Powers (990201.0622 MST)]

From Rupert Young (990131.1800) UT --

Is PCT a Cybernetic theory ? What are the main differences between PCT
and Cybernetics? What is Cybernetics ? Any answers appreciated ?

The term "cybernetics" means two things: (1) the study of "steersmanship",
which is to say control, and (2) a political-philosophical-social movement
organized around the work of the original cybereticians, in which
communication and philosophical topics long ago displaced the original
subject of control processes.

PCT is what you get if you stick to the subject of control.

Best,

Bill P.