Doomsday: Two Flaws

TL;DR

This paper critiques the Doomsday Argument by identifying a mathematical flaw in its probabilistic reasoning and a conceptual flaw in its assumptions about uniformity, concluding it lacks predictive power.

Contribution

It provides a critical analysis of the Doomsday Argument, highlighting specific flaws in its mathematical and conceptual foundations.

Findings

The DA's mathematical flaw involves incorrect probability application.

The conceptual flaw concerns the misuse of Copernican uniformity.

The paper concludes the DA has no predictive validity.

Abstract

Here I argue that the much-discussed Doomsday Argument (DA) has two flaws. Its mathematical flaw stems from applying frequentist probability or faulty Bayesian inference. Its conceptual flaw is assuming that Copernican uniformity applies to a collection of ranked people and their ideas. I conclude that the DA has no predictive power whatsoever.