Function Argument in Aristotle's Ethics

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A01=Jakub Jirsa
ancient ethics
Aristotelian Ethics
Author_Jakub Jirsa
Category=QDHA
Category=QDTQ
eq_isMigrated=1
eq_isMigrated=2
eq_nobargain
Ergon
Eudaimonia
Happiness
history of philosophy
human nature
Plato
virtue ethics

Product details

  • ISBN 9781350511750
  • Weight: 1020g
  • Dimensions: 156 x 236mm
  • Publication Date: 16 Oct 2025
  • Publisher: Bloomsbury Publishing PLC
  • Publication City/Country: GB
  • Product Form: Hardback
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Jakub Jirsa provides the first book-length study of the “function argument”, outlining its central importance for Aristotle’s ethics and his understanding of happiness and living well.

The Function Argument in Aristotle’s Ethics gives a systematic account of the development of the function argument from Plato’s Republic to the Nicomachean Ethics, with an explication of the interdependence between different versions of the argument which appear in Aristotle's ethical writings. In careful close readings of Aristotle’s Proptrepticus, the Eudemian Ethics and the Nicomachean Ethics, Jirsa makes the case that the function (ergon) argument – that the function of human beings is virtuous activity of the rational part of the soul – serves as a transition from formal to substantial ethical debate and helps to differentiate between happiness and the happy life. The book then evaluates Aristotle’s function argument against contemporary critiques.

With English translations of sections of the Proptrepticus based on the recent reconstruction from ancient sources and fragments, this volume offers a novel context for understanding a key element of Aristotle’s ethical works, and is an ideal reference for those studying Aristotelian ethics, virtue ethics and the history of philosophy.

Jakub Jirsa is Associate Professor in the Department of Philosophy and Religious Studies at Charles University, Czech Republic.

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