Virtue Epistemology

Overview

Virtue epistemology takes a question that has dominated epistemology for centuries — "Is this belief justified?" — and redirects it. Instead of evaluating beliefs in isolation, it asks about the person doing the believing. What intellectual virtues does this person exercise? What cognitive character traits do they bring to the task of forming and sustaining beliefs? The shift is from the product (the belief) to the producer (the knower).

This approach draws obvious inspiration from virtue ethics, which similarly moved the focus of moral evaluation from individual actions to the character of the moral agent. Just as a virtue ethicist asks "What would a courageous person do?" rather than "Is this act right?", a virtue epistemologist asks "What would an intellectually virtuous person believe?" rather than "Is this belief justified?"

The theory was developed primarily by Ernest Sosa beginning in the 1980s, with important contributions from Lorraine Code, Linda Zagzebski, and others. It has since become one of the most dynamic areas of contemporary epistemology, offering fresh perspectives on old problems — the Gettier problem, the value of knowledge, the structure of justification — while also opening new territory in social epistemology and the ethics of belief.

Core Principles

Virtue epistemology encompasses a family of related views, but several principles are shared across most versions.

Intellectual Virtues and Vices

The central concept is that of an intellectual virtue — a stable character trait that disposes a person to form true beliefs and avoid false ones. Examples include open-mindedness, intellectual humility, intellectual courage, thoroughness, and curiosity. Intellectual vices are their opposites: dogmatism, intellectual laziness, wishful thinking, and closed-mindedness. A person's epistemic standing depends in large part on the constellation of virtues and vices that make up their intellectual character.

Competence and Aptness

Sosa's version of virtue epistemology centers on the concept of competence. A belief is apt — his term for the highest epistemic status — when it is true because it is produced by a competent cognitive faculty. The "because" matters: the belief must be true because of the competence, not just coincidentally. This structure mirrors the concept of a skilled archer whose arrow hits the target because of their skill, not because of a gust of wind.

The AAA Structure

Sosa proposed a threefold evaluation of beliefs: accuracy (is the belief true?), adroitness (is it produced skillfully?), and aptness (is it true because it is adroit?). A belief can be accurate without being adroit (a lucky guess), adroit without being accurate (a skilled shot blown off course), or both without being apt (a skilled process that happens to produce truth for the wrong reason). Only when all three align do we have full epistemic success.

Responsibility vs. Reliability

Two main strands of virtue epistemology can be distinguished. Virtue responsibilism, associated with Code and Zagzebski, emphasizes character traits that require conscious cultivation — open-mindedness, intellectual honesty, humility. Virtue reliabilism, associated with Sosa and Goldman, emphasizes faculties and competences that may operate below the level of conscious reflection — perception, memory, intuition. The two approaches are complementary rather than exclusive.

Key Thinkers

Ernest Sosa (1940–)

Sosa is the founding figure of virtue epistemology. Beginning with his 1980 paper "The Raft and the Pyramid," he developed a framework that combined insights from foundationalism and coherentism while transcending both. His concept of apt belief — true belief produced by competent faculties — provided a new framework for understanding knowledge. Over decades, Sosa refined his theory into a comprehensive epistemological system, detailed in his books A Virtue Epistemology (2007) and Knowing Full Well (2011).

Lorraine Code (1935–2023)

Code's work, particularly her book Epistemic Responsibility (1987), pioneered the responsibilist strand of virtue epistemology. She argued that epistemology should focus on the cognitive character of the agent — the dispositions, habits, and attitudes that shape how a person handles evidence and forms beliefs. Code's work also connected virtue epistemology to feminist philosophy, emphasizing the social and political dimensions of intellectual virtue.

Linda Zagzebski (1946–)

Zagzebski developed a comprehensive virtue theory that bridges epistemology and ethics. In Virtues of the Mind (1996), she argued that intellectual virtues are structurally parallel to moral virtues, both involving a motivational component (a desire for the relevant good) and a success component (reliably achieving that good). Her work has been influential in shaping debates about the value of knowledge and the relationship between epistemic and ethical evaluation.

Alvin Goldman (1938–)

While Goldman is primarily known for reliabilism, his later work converged with virtue epistemology. His concept of "veritistic epistemology" evaluates social practices by their tendency to produce true beliefs, and his emphasis on cognitive processes aligns with the virtue-theoretic focus on competences and faculties.

Historical Development

Virtue epistemology is relatively young as a self-conscious movement, but its roots extend deep into the history of philosophy.

Aristotle's emphasis on intellectual virtues in the Nicomachean Ethics — particularly his discussion of phronesis (practical wisdom) and sophia (theoretical wisdom) — provided the ancient template. Medieval philosophers like Thomas Aquinas continued this tradition, cataloguing intellectual virtues and their role in the pursuit of knowledge.

The modern turn toward belief-centered epistemology, beginning with Descartes, largely displaced the virtue tradition. The focus shifted from the character of the knower to the justification of individual beliefs. This remained the dominant paradigm through the 20th century.

The revival began in the 1980s. Sosa's "The Raft and the Pyramid" (1980) argued that neither foundationalism nor coherentism could adequately capture the structure of justification, and proposed virtue epistemology as an alternative. Code's Epistemic Responsibility (1987) brought the agent's character to center stage. Zagzebski's Virtues of the Mind (1996) provided the most systematic account of the relationship between intellectual and moral virtues.

The theory gained momentum in the 1990s and 2000s, addressing challenges from both internalists (who argued that virtue epistemology cannot account for the role of evidence) and externalists (who questioned whether virtues add anything beyond reliable processes). The development of "extended cognition" and social epistemology opened new frontiers, with philosophers asking whether virtues can be distributed across groups and environments.

Contemporary Relevance

Virtue epistemology has proven to be more than a niche theory — it has influenced a wide range of philosophical and practical domains.

In epistemology, the virtue framework has provided fresh approaches to perennial problems. The Gettier problem becomes tractable: a belief that is true because of intellectual virtue is not accidentally true. The value problem — why knowledge is more valuable than mere true belief — finds an answer in the intrinsic value of exercising virtues. The structure of justification is reconceived in terms of competences rather than foundations or coherence.

In education, virtue epistemology aligns with pedagogical approaches that emphasize critical thinking, intellectual curiosity, and open-mindedness. Rather than focusing solely on transmitting information, educators influenced by virtue epistemology aim to cultivate intellectual character — the habits and dispositions that make someone a good inquirer.

In social and political philosophy, the concept of epistemic vice — dogmatism, willful ignorance, echo-chamber thinking — provides tools for analyzing ideological extremism, science denial, and the spread of misinformation. Work on epistemic injustice by Miranda Fricker and others draws on virtue-theoretic ideas to analyze how social identities affect credibility assessments.

In the ethics of belief, virtue epistemology offers a natural framework. The question of whether we have moral or epistemic obligations regarding our beliefs is reframed as a question about intellectual virtues and vices — what traits should we cultivate, and what habits should we avoid?

Sources

• Sosa, Ernest. "The Raft and the Pyramid: Coherence versus Foundations in the Theory of Knowledge." Midwest Studies in Philosophy 5 (1980): 3–26.
• Sosa, Ernest. A Virtue Epistemology: Apt Belief and Reflective Knowledge. Oxford: Oxford University Press, 2007.
• Code, Lorraine. Epistemic Responsibility. Hanover, NH: University Press of New England, 1987.
• Zagzebski, Linda. Virtues of the Mind: An Inquiry into the Nature of Virtue and the Ethical Foundations of Knowledge. Cambridge: Cambridge University Press, 1996.
• "Virtue Epistemology." Stanford Encyclopedia of Philosophy, ed. Edward N. Zalta. https://plato.stanford.edu/entries/epistemology-virtue/
• "Virtue Epistemology." Internet Encyclopedia of Philosophy. https://iep.utm.edu/virtue-epistemology/
• Baehr, Jason. The Inquiring Mind: On Intellectual Virtues and Virtue Epistemology. Oxford: Oxford University Press, 2011.