Definition
Plain language
An early kind of AI made of simple if-then rules that compete and pay each other to decide what to do.
As stated in the literature
John Holland's learning classifier systems — a rule-based framework where condition-action rules bid for control and pass reward via a bucket-brigade mechanism; the conceptual ancestor of the economic credit-assignment in Economy of Minds, now with each rule replaced by a full language model.
Also called: classifier systems, learning classifier systems
Why it matters: It matters as the conceptual ancestor of market-based AI coordination, showing how complex behavior can emerge from simple competing rules rather than one central controller.
For example, an early agent navigating a maze might hold hundreds of simple if-then rules that bid against each other to decide the next turn, with winning rules paying the rules that set them up.
Heard on the show
“It's not new — it goes back to classifier systems in the eighties.”Episode 107 — How a Market of Crippled AI Agents Outscored One Unrestricted Model