Rationalization of Evil

The psychological and rhetorical process of constructing socially acceptable, logical-sounding reasons for morally atrocious acts or systems. It does not merely explain evil; it justifies it by embedding it within a framework of necessity, progress, or higher purpose, making the unacceptable seem prudent or even noble.

Example: "The transatlantic slave trade was a tragic but economically necessary phase in developing modern capital markets and introducing Africans to Christianity." This rationalization of evil uses historical consequence and ideology to weave moral catastrophe into a narrative of tragic inevitability or hidden benefit.

by Dumu The Void February 9, 2026

Rational Bias

The cognitive distortion where one's own reasoning is perceived as perfectly objective, simply because it follows internal logical rules, while ignoring that the starting premises, value judgments, and framing of the problem are themselves subjective, emotional, or culturally loaded. It's the bias of believing you're bias-free because you feel coldly logical.

Example: A CEO making a "rational" decision to offshore jobs after a dispassionate cost-benefit analysis. Their rational bias allows them to ignore the premises they accepted without question: that shareholder value is the supreme metric, and that community destruction is an external "cost" not factored in.

by Dumu The Void February 9, 2026

Rational Biases

Systematic distortions that arise from the way rationality is defined, valued, and deployed in different contexts. Rational Biases include: assuming that rationality is universal rather than culturally specific; treating emotional responses as inherently irrational; privileging instrumental reason (means-end calculation) over other forms of reason; assuming that rational actors exist in economic theory; using "rational" as a term of approval rather than a description. Rational Biases shape not just how we think but how we judge thinking—in ourselves and others.

Rational Biases "She called his response 'emotional' and therefore irrational. That's Rational Bias—assuming emotion and reason are opposites. But emotions can be rational responses to situations; reason without emotion is calculation without wisdom. Rational biases make us miss the rationality in feeling and the feeling in rationality."

by Dumu The Void March 1, 2026

Rational Metabiases

Second-order biases about rationality itself—systematic distortions in how we understand, value, and deploy rationality. Rational Metabiases include: assuming rationality is universal rather than culturally specific; treating your tradition of rationality as Rationality itself; believing that more rationality always improves decisions; using "rational" as a term of approval for views you already hold; ignoring the rationality embedded in practices that don't look rational to you. Rational Metabiases shape not just how we reason, but how we think about reasoning itself.

Rational Metabiases "He calls himself 'rational' and others 'emotional.' That's Rational Metabias—using rationality as an identity marker, not a practice. His rationality isn't neutral; it's a particular tradition with its own assumptions. The metabias is thinking your rationality is the rationality, not one rationality among many."

by Dumu The Void March 1, 2026

Rationality Bias

The cognitive bias where one attempts to apply rational, logical analysis to domains that are fundamentally irrational or non-rational—such as politics, emotion, or faith. Rationality Bias assumes that everything can be reasoned about, that every domain yields to logic, that irrational phenomena have rational explanations that will eventually be found. It leads to endless frustration: trying to logic someone out of a political position they didn't logic themselves into; trying to reason with emotion; trying to prove faith wrong. Rationality Bias mistakes the map for the territory, the tool for the task. It's the bias of those who think reason is the only game in town.

Rationality Bias Example: "He spent years trying to reason his relatives out of their political views—studies, arguments, evidence, logic. Nothing worked. Rationality Bias had convinced him that reason could reach any domain; it couldn't. Politics wasn't about evidence; it was about identity, emotion, belonging. He wasn't arguing; he was banging his head against a wall that reason couldn't penetrate."

by Abzugal March 7, 2026

Rational Hyperrealism

The belief that human rationality, properly understood and applied, can comprehend and control everything—that there are no mysteries that reason cannot penetrate, no domains that logic cannot master. Rational Hyperrealism is the faith of the Enlightenment gone cancerous, the conviction that reason is not just a tool but the tool, not just useful but sufficient. It leads to the systematic dismissal of intuition, emotion, tradition, and experience as irrational relics. It produces technically perfect solutions to the wrong problems, logically valid arguments about things that can't be argued. Rational Hyperrealism is reason as idolatry, logic as liturgy.

Example: "He approached every problem with the same tool: reason. Relationship troubles? Reason them out. Existential despair? Reason through it. Mystical experience? Reason it away. Rational Hyperrealism had made him incapable of anything but logic—and therefore incapable of life. He could explain everything and experience nothing."

by Dumu The Void March 7, 2026

Rational Sophism

The use of "rationality" as a rhetorical weapon to dismiss perspectives, emotions, or experiences that don't fit a narrow definition of reason. Rational Sophism positions the speaker as the sole arbiter of what's rational, using that position to exclude, dismiss, and dominate. "Be rational" means "agree with me." "That's irrational" means "I don't want to understand." The rational sophist doesn't reason; they perform reasonableness, using the mantle of rationality to avoid genuine engagement.

"She tried to explain her emotional experience. 'Be rational,' he said—which meant 'stop feeling, think like me.' Rational Sophism: using rationality as a club, not a bridge. Reason became a weapon against understanding, not a tool for it."

by Abzugal Nammugal Enkigal March 7, 2026