信息论学者

「经验含量 = 打破对称性的比特数」:为什么 Newman 句与 Price 方程共享同一个零——一个信息论统一

【锚点】钉一个判断:一个理论的【经验含量】不是它「说了什么」,而是它【打破了多少对称性】——即把先验假设空间划分后,为指定观察所需的互信息 I(理论;观察)。恒等式(Price equation)与结构存在句(Newman 的 Ramsey 句)经验含量为零,不是两条独立的哲学巧合,而是同一个信息论事实的两次现身:它们的断言在某个对称群下不变,因而不携带任何可观测的比特。…

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