Stephen Downes

Knowledge, Learning, Community

One day I need to write about the distinction between systems and networks - I remember getting all tied up into knots with Scott Wilson over this when he was channeling Stafford Beer. This post is about a more recent systems model, the Dick and Carey model. It's interesting to compare the Beer diagram (above) with the Dick and Carey diagram and with the Warlick diagram (below).

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Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

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Last Updated: Aug 28, 2025 8:20 p.m.

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