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Introduction to Moral Expressivism

Oct 3, 2025

Overview

This lecture introduces moral expressivism, a theory in ethics that explains moral statements as expressions of feelings or attitudes rather than statements of objective fact.

What is Moral Expressivism?

  • Moral expressivism is a theory about the meaning of moral language.
  • It claims that when people make moral statements, they are expressing personal attitudes or emotions.
  • Moral expressivism is a type of moral anti-realism.
  • Anti-realism challenges the idea that moral statements are true or false like factual statements.
  • According to expressivism, saying "stealing is wrong" expresses disapproval of stealing, not a factual claim.

Expressivism vs. Moral Realism

  • Moral realism says moral statements are objectively true or false.
  • Expressivism denies that moral statements describe objective moral properties.
  • Expressivists argue that moral statements have no traditional truth values.
  • Moral debates in expressivism are about sharing and negotiating personal values, not discovering absolute truths.
  • Realism holds that actions are right or wrong regardless of opinions; expressivism focuses on personal and societal attitudes.

Practical Implications of Expressivism

  • Expressivism influences ethical discussions by emphasizing sharing and negotiating values.
  • In moral education, it shifts the focus to shaping attitudes and values rather than teaching moral facts.
  • Expressivism explains how changing social norms reflect evolving attitudes.
  • It challenges the idea of universal moral standards but encourages open and inclusive ethical discussions.

Key Terms & Definitions

  • Moral expressivism — the theory that moral statements express emotions or attitudes, not objective truths.
  • Moral anti-realism — the view that moral statements do not describe objective facts.
  • Moral realism — the belief that moral statements can be true or false based on objective properties.
  • Truth value — whether a statement can be classified as true or false.

Action Items / Next Steps

  • Review differences between expressivism and realism.
  • Consider examples of moral statements and what is being expressed.
  • Reflect on how this theory could impact discussions about morality in society.