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Aug 8, 2026

Ethics Inventing Right And Wrong John Leslie

J

Joesph Pollich

Ethics Inventing Right And Wrong John Leslie

Mackie

**Ethics Inventing Right and Wrong: John Leslie Mackie's Philosophical Exploration**

ethics inventing right and wrong john leslie mackie opens a fascinating window into

one of the most enduring debates in moral philosophy: Are concepts of right and wrong

objective truths, or are they human inventions shaped by culture, psychology, and social

needs? John Leslie Mackie, a prominent 20th-century philosopher, brought a critical and

nuanced perspective to this discussion, especially through his influential work on moral

skepticism and the nature of ethical values.

In this article, we'll dive into Mackie’s arguments about the invention of ethics, unpack the

idea of moral relativism, and explore how his thoughts continue to influence ethical theory

today. Whether you’re a philosophy enthusiast, a student, or just curious about how right

and wrong are understood, this exploration will offer clear insights into Mackie’s

philosophical legacy.

Who Was John Leslie Mackie?

Before delving into Mackie’s views on ethics, it’s helpful to know a bit about the thinker

himself. John Leslie Mackie (1917–1981) was an Australian philosopher known for his work

in meta-ethics, the branch of philosophy that examines the nature, status, and

foundations of ethical concepts. His book *Ethics: Inventing Right and Wrong* remains a

cornerstone in discussions about moral skepticism.

Mackie challenged widely held assumptions that moral values are objective features of

the world. Instead, he argued that what we call “right” and “wrong” might be

constructs—human inventions rather than discoverable truths. This stance placed him

among influential moral skeptics and anti-realists.

Understanding the Core Idea: Ethics as an Invention

The phrase “ethics inventing right and wrong John Leslie Mackie” captures the essence of

Mackie’s thesis: ethics may not be about uncovering eternal, unchanging truths but rather

about inventing systems of values and norms that serve particular human purposes.

Mackie’s Argument from Queerness

One of Mackie’s most famous contributions is the “argument from queerness.” He claimed

that if objective moral values existed, they would be entities or qualities utterly unlike

anything else in the universe—strange, queer things that we have no good reason to

believe in.

This argument has two parts:

**Metaphysical Queerness:** Objective values would be metaphysically mysterious,

1.

unlike any natural object or property.

**Epistemological Queerness:** Our knowledge of such moral values would require

2.

some special faculty or intuition that is hard to explain.

Because of this queerness, Mackie argued, it is more reasonable to reject the existence of

objective moral values altogether.

The Implications of Moral Skepticism

Accepting that ethics may be invented rather than discovered leads to moral

skepticism—the view that there are no objective moral facts. For Mackie, this doesn’t

mean that all moral talk is meaningless; rather, it means that when we say something is

“right” or “wrong,” we are expressing attitudes, conventions, or prescriptions rather than

stating objective truths.

This view aligns with what is sometimes called “moral subjectivism” or “moral relativism,”

where moral judgments depend on human perspectives and social contexts.

How Does This View Impact Our Understanding of Right and

Wrong?

If ethics involves inventing right and wrong, as Mackie suggests, then moral values are

contingent and potentially variable across cultures and individuals. This insight has

significant consequences for how we approach moral debates, cultural differences, and

even laws.

Ethical Pluralism and Cultural Diversity

Mackie’s skepticism opens the door to recognizing a diversity of moral systems worldwide.

Rather than assuming one universal moral code, his perspective encourages

understanding ethics as a human creation that can vary with historical, social, and cultural

circumstances.

This doesn’t necessarily mean “anything goes,” but it does mean that moral reasoning

needs to account for context and the reasons behind particular ethical inventions.

Practical Ethics Without Objective Foundations

One might wonder: Without objective moral truths, how can we navigate ethical dilemmas

effectively? Mackie believed that even if ethics are invented, they can still be rational,

coherent, and valuable. Societies invent moral codes to promote cooperation, reduce

harm, and create social order.

In this sense, ethics is a practical tool—an evolving set of guidelines helping humans live

together harmoniously. Recognizing the invented nature of ethics can foster humility and

openness in moral discussions.

Critiques and Responses to Mackie’s Position

Mackie’s arguments have sparked substantial debate. Critics often challenge his

argument from queerness, questioning whether moral values are indeed so “queer” and

whether we must accept their non-existence simply because they differ from natural

properties.

Objectivist Counterarguments

Philosophers who defend moral realism argue that moral truths can be objective without

being metaphysically strange. Some propose that moral properties supervene on natural

properties, making them scientifically understandable.

Others argue that moral experience and intuition provide sufficient grounds to believe in

objective values, rejecting the idea that special epistemic faculties are implausible.

Non-Cognitivist and Emotivist Views

Some responses to Mackie take a different route by suggesting that moral statements

don’t aim to describe facts but express emotions or prescriptions. This approach aligns

somewhat with Mackie’s skepticism but interprets moral language differently.

In this light, ethics inventing right and wrong is seen as a reflection of human attitudes

and social functions rather than a search for truth.

The Legacy of Ethics Inventing Right and Wrong John Leslie

Mackie

Mackie’s exploration into the invented nature of ethics remains highly relevant. His work

encourages us to think critically about the foundations of morality, to question

assumptions, and to appreciate the complex interplay between human nature, society,

and ethical norms.

For students and enthusiasts of philosophy, grappling with Mackie’s ideas can deepen

understanding of meta-ethics and the challenges of defining right and wrong.

Applying Mackie’s Ideas in Modern Ethical Discussions

Today, debates on moral relativism, cultural tolerance, and ethical pluralism reflect

Mackie’s influence. His skepticism urges caution against dogmatism and invites reflective

inquiry into why we hold certain moral beliefs.

In practical terms, recognizing ethics as partly invented can lead to more empathetic

cross-cultural dialogue and flexible moral reasoning, essential in an interconnected world.

Tips for Engaging with Mackie’s Ethical Philosophy

**Question Assumptions:** Don’t take morality as an absolute given; explore its

origins and functions.

**Consider Context:** Think about how cultural, historical, and social factors shape

moral values.

**Balance Skepticism and Practicality:** Understand that questioning objective

morals doesn’t mean abandoning ethical living.

**Engage in Dialogue:** Use Mackie’s ideas to foster conversations that respect

diversity and complexity.

Exploring ethics through Mackie’s perspective offers a rich, challenging, and rewarding

journey into the heart of what it means to say something is right or wrong.

Question

Answer

Who is John Leslie Mackie in

the context of ethics?

John Leslie Mackie was a prominent 20th-century

philosopher known for his work in meta-ethics,

particularly his arguments about moral skepticism and

the nature of right and wrong.

What is the main thesis of

John Leslie Mackie's 'Ethics:

Inventing Right and Wrong'?

Mackie's main thesis is that there are no objective moral

values; instead, moral claims are human inventions, and

he argues for moral skepticism through the 'argument

from queerness.'

What does Mackie mean by

'the argument from

queerness'?

The 'argument from queerness' suggests that if

objective moral values existed, they would be of a very

strange, non-natural kind, unlike anything else in the

universe, making their existence highly implausible.

How does Mackie challenge

the concept of objective

morality?

Mackie challenges objective morality by arguing that

moral statements cannot be true in an objective sense

because they depend on human attitudes, social

conventions, and subjective preferences.

What role does subjectivity

play in Mackie's view of

ethics?

Mackie believes that ethics is fundamentally subjective,

meaning that right and wrong are not discovered but

invented based on human needs, emotions, and social

agreements.

How has Mackie's 'Ethics:

Inventing Right and Wrong'

influenced contemporary

moral philosophy?

Mackie's work has significantly influenced moral anti-

realism and expressivism by providing strong arguments

against moral objectivism and encouraging alternative

approaches to understanding moral language.

Does Mackie deny the

usefulness of moral language

despite rejecting objective

values?

No, Mackie acknowledges that moral language remains

useful for social cooperation and expressing attitudes,

even if it does not correspond to objective moral facts.

How does Mackie's view

compare with moral realism?

Unlike moral realists who believe in objective moral

facts, Mackie argues that moral values are invented

rather than discovered, positioning his view as a form of

moral skepticism or anti-realism.

Ethics Inventing Right and Wrong: John Leslie Mackie's Philosophical Inquiry

ethics inventing right and wrong john leslie mackie stands as a pivotal theme in

contemporary moral philosophy, inviting rigorous analysis into whether moral values are

objective features of the world or human inventions shaped by social and psychological

factors. John Leslie Mackie, a renowned Australian philosopher, profoundly influenced this

discourse through his critical examination of moral objectivity, famously challenging the

notion of intrinsic moral facts. His arguments have reverberated across ethical theory,

metaethics, and the philosophy of morality, prompting ongoing debates about the

foundations of right and wrong.

John Leslie Mackie’s Challenge to Moral Realism

At the heart of Mackie’s philosophical inquiry lies his skepticism towards moral

realism—the position that moral statements correspond to objective truths independent of

human opinion. In his seminal work, *Ethics: Inventing Right and Wrong* (1977), Mackie

argues that the widely held belief in objective moral values is a mistake, which he terms

the "error theory." This theory posits that although moral discourse presupposes objective

values, these do not, in fact, exist.

Mackie’s approach is grounded in two primary arguments: the argument from relativity

and the argument from queerness. The argument from relativity observes the extensive

diversity of moral codes across cultures and historical periods, suggesting that moral

judgments are contingent, not universal. The argument from queerness claims that if

objective moral values existed, they would be entities or qualities utterly unlike anything

else in the universe, making their existence metaphysically and epistemologically

suspicious.

The Argument from Relativity

Mackie points to the empirical fact that moral norms vary significantly among different

societies. For instance, practices considered morally acceptable in one culture may be

condemned in another. This variation, he suggests, is best explained by the idea that

moral values are constructed rather than discovered. If moral values were objective and

universal, such divergence would be inexplicable or would imply errors in some moral

systems. Thus, ethics inventing right and wrong John Leslie Mackie highlights how moral

standards reflect social conventions and human experiences rather than absolute truths.

The Argument from Queerness

Perhaps more philosophically intricate, the argument from queerness challenges the

metaphysical status of moral properties. Mackie argues that objective moral values would

be "queer" entities—non-natural, irreducible qualities not detectable through empirical

investigation. Furthermore, our knowledge of these values would require some special

faculty of moral intuition, distinct from ordinary perception or reasoning. This

implausibility casts doubt on the existence of objective moral facts, supporting the view

that ethics inventing right and wrong John Leslie Mackie advocates is a more coherent

understanding of morality.

Implications for Ethics: Inventing Right and Wrong

Mackie’s thesis that ethics is, in essence, an invention rather than a discovery, bears

significant consequences for how moral philosophy and everyday ethics are approached.

It suggests that ethical systems are human-made constructs, developed to navigate social

life, promote cooperation, and resolve conflicts. This perspective aligns with various non-

cognitivist and constructivist theories, which see moral judgments as expressions of

attitudes, emotions, or rational agreements rather than statements of fact.

Constructivism and Subjectivity in Moral Values

If ethics inventing right and wrong John Leslie Mackie promotes is accepted, it implies that

moral values are contingent on human practices and contexts. This positions morality as

inherently subjective or intersubjective, dependent on communal consensus or individual

attitudes. Such a view contrasts sharply with classical ethical theories like Kantian

deontology or utilitarianism, which often presuppose universal moral principles.

This subjectivity, however, does not necessarily lead to moral nihilism or relativism in a

destructive sense. Instead, it opens the door for ethical pluralism, acknowledging multiple

valid moral frameworks coexisting based on different cultural, historical, or personal

backgrounds. It also emphasizes the importance of dialogue, negotiation, and critical

reflection in moral reasoning.

Criticisms and Counterarguments

Despite the influence of Mackie’s error theory, it has faced substantial criticism. Moral

realists argue that the widespread human experience of moral obligation and the

apparent objectivity in some ethical judgments (e.g., prohibitions against murder or

torture) undermine the view that ethics is simply invented. They contend that moral

disagreement often presupposes common standards, indicating an objective moral reality.

Moreover, some philosophers challenge Mackie’s argument from queerness by proposing

naturalistic accounts of moral properties, suggesting that moral facts can be grounded in

biological, psychological, or social facts. For example, evolutionary ethics posits that

moral behaviors evolved to enhance survival and social cohesion, providing an empirical

basis for certain moral truths.

Comparative Perspectives: Ethics Inventing Right and Wrong in

Context

Exploring Mackie’s philosophy alongside other ethical theories enriches understanding of

the broader debate about the nature of right and wrong. For instance, contrasting

Mackie’s skepticism with moral realism highlights the tension between moral objectivity

and subjectivity.

Moral Realism: Asserts that moral facts exist independently of human beliefs, and

1.

ethical claims can be objectively true or false.

Moral Anti-Realism: Includes Mackie’s error theory, viewing moral claims as

2.

expressions of subjective attitudes or social conventions without objective truth.

Constructivism: Suggests moral truths are constructed through rational

3.

agreements or social practices, a middle ground between realism and subjectivism.

Relativism: Holds that moral truths are relative to cultures or individuals,

4.

emphasizing diversity but often criticized for lack of universal standards.

These perspectives illustrate the complexity of the question ethics inventing right and

wrong John Leslie Mackie addresses. While Mackie’s position challenges traditional

assumptions, it also encourages ongoing philosophical exploration regarding how humans

determine and justify moral norms.

Practical Relevance in Contemporary Ethics

Mackie’s insights resonate beyond academic philosophy, influencing debates in applied

ethics, law, and public policy. Recognizing that moral standards may be inventions crafted

to serve human interests encourages a pragmatic attitude towards ethical dilemmas. It

underscores the value of adaptability and cultural sensitivity when addressing issues such

as human rights, bioethics, and social justice.

Furthermore, acknowledging the constructed nature of morality invites critical scrutiny of

entrenched customs and norms, fostering ethical progress and reform. By questioning the

supposed objectivity of moral rules, societies can re-evaluate prejudices and injustices

embedded in traditional ethical frameworks.

The discourse sparked by ethics inventing right and wrong John Leslie Mackie thus

continues to shape contemporary conversations about the legitimacy, origin, and

application of moral principles in an increasingly pluralistic world.

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