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The Curious Case of the Non-Barking Dog
- Sara Walker uses the Sherlock Holmes story "Silver Blaze" to illustrate information's role in complex systems.
- Holmes deduces the horse thief by the curious case of a dog that didn't bark.
Three Properties of Information
- Information reduces uncertainty, like narrowing down suspects in a case.
- It must be communicable and retain meaning, like the shared understanding of the dog's silence.
Counterfactual Information
- Information can be counterfactual, meaning an absence of something can be causal.
- The dog not barking, a non-event, is key to solving the mystery.