Copyright © 1956, 1999
by The Estate of W. Ross Ashby
Non- profit reproduction and distribution of this text for educational and research reasons is permitted
providing this copyright statement is includedReferencing this text:
W. Ross Ashby, An Introduction to Cybernetics,
Chapman & Hall, London, 1956. Internet (1999):http://pcp.vub.ac.be/books/IntroCyb.pdf

Prepared for the PrincipiaCybernetica Web With kind permission of the Estate trustees
Jill Ashby
Sally Bannister
Ruth Pettit
Many thanks to
Mick Ashby
Concept
Francis Heylighen
Realisation
Alexander Riegler
with additional help from
Didier Durlinger
An Vranckx
Véronique Wilq
uet