MacIntyre’s later work continued to refine his critique of modernity and his defense of communal forms of life. In Dependent Rational Animals (1999), he expanded his Aristotelian framework to account for human vulnerability and disability. He argued that human beings are not self-sufficient individuals but are fundamentally dependent on others. Therefore, a central part of moral life involves acknowledging our dependencies and participating in networks of giving and receiving. This work further solidified his critique of the capitalist nation-state, which he viewed as inherently hostile to the small-scale, local communities where genuine moral education and the common good can be realized.
The culmination of this search arrived in 1981 with the publication of his masterpiece, After Virtue . In this seminal work, MacIntyre advanced a startling thesis: the language of contemporary morality is in a state of grave disorder. He argued that the "Enlightenment project" to find an independent, rational justification for morality had failed. This failure resulted in "emotivism," the doctrine that all moral judgments are nothing but expressions of preference or feeling. To remedy this crisis, MacIntyre proposed a return to the Aristotelian tradition of the virtues. He argued that human life must be understood teleologically—directed toward an ultimate good—and that virtues are those acquired dispositions necessary to achieve that good within the context of practices and a unified narrative of a human life. Alasdair MacIntyre: An Intellectual Biography (...
By the late 1960s and 1970s, MacIntyre became increasingly disillusioned with both orthodox Marxism and the prevailing liberal political order. He argued that Marxism had failed to provide a coherent moral foundation for its revolutionary goals, while liberalism had reduced morality to a matter of arbitrary personal preference. His transition during this period was marked by a move to the United States, where he held positions at several prestigious institutions, including Brandeis University, Duke University, and the University of Notre Dame. During this time of transition, MacIntyre was searching for a framework that could account for the historical development of moral concepts while still defending the possibility of objective moral truth. MacIntyre’s later work continued to refine his critique
In the years following After Virtue , MacIntyre’s project evolved into a sophisticated defense of tradition-constituted inquiry. In Whose Justice? Which Rationality? (1988) and Three Rival Versions of Moral Enquiry (1990), he argued that there is no such thing as "rationality as such." Instead, there are only rationalities embedded within specific historical traditions, such as the Aristotelian, the Augustinian, or the Enlightenment tradition. MacIntyre argued that traditions can rationally evaluate one another by their ability to solve their own internal crises and accommodate the insights of rival traditions. It was during this period that MacIntyre fully embraced the philosophy of Thomas Aquinas, finding in Thomism the most complete synthesis of Aristotelian metaphysics and Christian theology. Therefore, a central part of moral life involves