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Reactive Attitudes, Moral Autonomy, and Rationalized Evil in Gerald Gaus’s Theory of Public Justification

  • Sylvie Bláhová EMAIL logo
Published/Copyright: January 8, 2026

Abstract

What justifies the demand for public justification? Recent critics – Anthony Taylor and Collis Tahzib – read Gerald Gaus as grounding public justification in Strawsonian reactive attitudes, and they argue this reading renders Gaus’s sufficient reason test either replaceable or counterintuitive. I offer a charitable, reconstructive reading that draws a different conclusion. On my interpretation, reactive attitudes supply the descriptive context of interpersonal moral life, but the normative warrant for converting affect into second-personal demands rests on a proto-Kantian principle of moral autonomy in Gaus’s account. I show how this bridge justifies Gaus’s sufficient reason condition, explain why Wallace/Taylor’s susceptibility to reason alternative either conflicts with moral autonomy or collapses into Gaus’s test under a moderate reading, and answer Tahzib’s “rationalized evil” charge (Goebbels’s case) by showing the example fails Gaus’s capacity requirements. This paper thus clarifies and salvages the normative core of Gaus’s public justification project.


Corresponding author: Sylvie Bláhová, Department of Philosophy and Religious Studies, Philosophical Faculty, University of Pardubice, Stavařov 97, 532 10, Pardubice, Czech Republic, E-mail:

Acknowledgments

I would like to thank my colleagues from the Department of Philosophy and Religious Studies and the Centre for Ethics as Study of Human Value at the University of Pardubice, who gave me valuable feedback during our research seminar and helped me to improve my argument. I would also like to thank the participants of the panel on Legitimate Authority in Democracy at the ECPR General Conference in Dublin 2024, particularly Pavel Dufek, who provided valuable feedback on my work. Last but not least, I would like to thank the two anonymous reviewers for their in-depth reviews; their comments significantly shaped the final text.

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Received: 2025-06-13
Accepted: 2025-12-18
Published Online: 2026-01-08

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