Spencer Greenberg had AI fact-check his essays — it caught a real reversed inequality

SpencrGreenberg · x · 2026-11-02

Spencer Greenberg (Clearer Thinking founder) shares a practical self-audit workflow: ask the most powerful AI available to find as many factual errors as it can in your published work, stating what you claimed, what's actually true, and linking sources. In his own run, "Error 1" was real — the AI correctly spotted a reversed inequality in his 2017 essay on estimating confidence intervals (should be n ≥ (Q/CI₀)², not n ≤ (Q/CI)²). He fixed it and is publishing further errors found in a thread.

Related event: Spencer Greenberg Lets AI Fact-Check His Own Writing(4 posts)→

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