Ethics & Logic
Moral philosophy, critical thinking, logical fallacies, and the frameworks used to evaluate arguments and ethical choices.
77 articles
Eastern vs. Western Philosophy: Key Differences and Shared Ground
Compare Buddhist, Hindu, Confucian, and Daoist philosophy with Greek and European traditions across metaphysics, ethics, knowledge, and the self.
Effective Altruism: The Philosophy of Doing Good and Its Critics
An encyclopedic account of effective altruism — its philosophical foundations in impartialism and cost-effectiveness, its major cause areas, and the substantive criticisms it has generated.
Epicureanism: The Misunderstood Philosophy of Pleasure and Tranquility
A factual account of Epicurean philosophy — its distinction between pleasure types, the centrality of friendship, and how it was misrepresented from antiquity through today.
Ethics and Moral Philosophy: Consequentialism, Deontology, Virtue Ethics, and Beyond
A comprehensive guide to moral philosophy — the three major ethical theories (consequentialism, deontological ethics, virtue ethics), applied ethics including bioethics and political philosophy, metaethics questions about the nature of moral facts, and how philosophers approach moral disagreement.
Existentialism: Freedom, Responsibility, and the Absurd
Trace existentialist philosophy from Kierkegaard through Sartre, de Beauvoir, and Camus, exploring radical freedom, bad faith, and the search for meaning.
How Epistemology Examines What We Can Know and How We Know It
Epistemology investigates the nature, sources, and limits of human knowledge. Explore the Gettier problem, rationalism vs. empiricism, and why questions about knowledge matter beyond philosophy.
How Existentialism Confronts the Meaning of Human Freedom
Existentialism, from Kierkegaard to Sartre and de Beauvoir, argues that existence precedes essence and that radical freedom demands radical responsibility.
How Moral Relativism Challenges the Idea of Universal Ethics
Moral relativism holds that ethical standards are relative to culture or individual judgment, not universal. Explore the philosophical arguments for and against relativism and what cross-cultural evidence shows.
How Philosophy of Mind Grapples with the Hard Problem of Consciousness
David Chalmers' hard problem of consciousness, qualia, physicalism vs dualism, the Chinese Room argument, and neural correlates — the deepest questions philosophy and neuroscience now share.
How Social Contract Theory Justifies Political Authority and Law
Social contract theory explains political legitimacy through voluntary agreements between individuals and governments. Explore Hobbes, Locke, Rousseau, and Rawls on why citizens should obey the law.
How Stoicism Offers a Practical Philosophy for Modern Life
From Zeno's Athens to Silicon Valley, Stoicism's dichotomy of control, negative visualization, and virtue ethics have resurged as a framework for modern resilience.
How the Free Will Debate Divides Philosophers and Neuroscientists
The free will debate sits at the intersection of neuroscience, physics, and moral philosophy. Explore determinism, compatibilism, and what Benjamin Libet's experiments reveal about voluntary action.
The Trolley Problem: How a Thought Experiment Reveals Moral Conflicts
The trolley problem, introduced by Philippa Foot and elaborated by Judith Thomson, exposes a conflict between consequentialist and deontological moral intuitions through the doctrine of double effect and the act/omission distinction.
How Utilitarianism and Deontology Approach Moral Questions Differently
Utilitarianism and deontology represent the two dominant frameworks in normative ethics. Explore how each approaches moral dilemmas and what real philosophical debates reveal about their limits.
How Utilitarianism Measures the Greatest Good for the Greatest Number
Utilitarianism from Bentham's felicific calculus to Singer's effective altruism asks one question: which action produces the most well-being? The answers are rarely simple.
How Utilitarianism Works and Its Most Uncomfortable Implications
Utilitarianism holds that the right action is the one that maximizes overall well-being. Learn its core logic, its major variants, and the moral conclusions that make people deeply uneasy.
Kantian Ethics: The Categorical Imperative Explained
Kant's three formulations of the categorical imperative, the kingdom of ends, dignity principle, perfect vs. imperfect duties, and the lying promise critique examined in full.
Kintsugi: The Japanese Art of Repairing Breaks With Gold and Finding Beauty in Imperfection
Kintsugi — the Japanese art of golden repair — transforms broken ceramics into more beautiful objects. Explore its history, connection to wabi-sabi and Zen philosophy, and why it became a global metaphor for resilience.
Logic and Critical Thinking: Arguments, Fallacies, and the Structure of Sound Reasoning
A comprehensive guide to logic and critical thinking — deductive and inductive reasoning, the structure of valid arguments, how to identify common logical fallacies, Bayesian reasoning, scientific reasoning, and practical tools for evaluating claims and constructing sound arguments in everyday life.
Phenomenology and Lived Experience: Husserl, Heidegger, and Beyond
Understand phenomenology as a philosophical method, from Husserl's study of consciousness to Heidegger's Being and Merleau-Ponty's embodied perception.
Philosophy of Mind: The Consciousness Problem Explained
Survey the philosophy of mind from Descartes' dualism to modern theories of consciousness, including functionalism, the hard problem, and the Chinese room argument.
Plato's Allegory of the Cave Explained: Perception, Reality, and Knowledge
Plato's Cave allegory describes prisoners who mistake shadows for reality. Learn what this thought experiment means and why it still defines debates about knowledge and enlightenment.
Political Philosophy and the Social Contract: Hobbes to Rawls
Trace social contract theory from Hobbes, Locke, and Rousseau through Rawls, examining how political authority is justified and what citizens owe the state.
Political Philosophy Explained: Key Theories and Thinkers
An encyclopedic overview of political philosophy — its central questions about justice, authority, and rights, major theories from liberalism to anarchism, and the thinkers who shaped political thought.
What Is the Ship of Theseus and Why Identity Is Philosophically Hard
The Ship of Theseus asks whether an object replaced part by part remains the same object. Learn how this ancient puzzle illuminates questions of personal identity and what makes things persist.
Stoicism as a Practical Philosophy: Principles That Work in Modern Life
An encyclopedic overview of Stoicism's core principles — the dichotomy of control, negative visualization, and virtue ethics — and how ancient practitioners applied them.
Stoicism: Ancient Philosophy for Modern Uncertainty
Founded in Athens around 300 BCE, Stoic philosophy offers a tested framework for managing adversity, emotion, and uncertainty that modern psychology has independently validated.
The Tragedy of the Commons: Hardin's Thesis and Ostrom's Rebuttal
Garrett Hardin's 1968 thesis argued that shared resources are inevitably over-exploited, but Elinor Ostrom's Nobel Prize-winning fieldwork demonstrated that communities can manage commons sustainably.
Free Will vs. Determinism: The Debate With No Easy Answer
Do humans make genuine choices, or are our decisions the inevitable result of prior causes? Philosophers and neuroscientists have wrestled with this question for centuries.
The Philosophy of Consciousness: What It Is, Why It Matters, and What We Still Don't Know
An exploration of the philosophical problem of consciousness — the hard problem, major theories of mind, qualia, and why explaining subjective experience remains one of the deepest unsolved questions.
The Philosophy of Language: Meaning, Reference, and Communication
A comprehensive overview of the philosophy of language — covering theories of meaning, reference, speech acts, Wittgenstein, and key debates about how language relates to reality.
The Philosophy of Mind: Consciousness and the Mind-Body Problem
Explore the philosophy of mind including the mind-body problem, theories of consciousness, qualia, and major positions from dualism to physicalism and functionalism.
The Philosophy of Science: Methods, Limits, and Debates
An encyclopedic guide to the philosophy of science — how scientific knowledge is produced, the demarcation problem, major epistemological debates, and the limits of scientific inquiry.
The Trolley Problem: Testing Moral Intuitions
A runaway trolley. Five lives versus one. Philosophers have debated this thought experiment for 60 years because it reveals deep contradictions in human moral reasoning.
The Trolley Problem: A Thought Experiment That Defines Modern Ethics
The Trolley Problem's origins, trolley vs. footbridge variants, trolleyology research, utilitarian vs. deontological conflict, and applications to AI and medicine.
The Trolley Problem Explained: Ethics and Moral Dilemmas
A thorough explanation of the trolley problem — its original formulation, key variations, what it reveals about moral psychology, and its implications for ethics, law, and AI.
The Trolley Problem: Why a Thought Experiment Shook Moral Philosophy
Explore the trolley problem and its variations, from Philippa Foot's original scenario to modern applications in autonomous vehicle ethics and medical triage decisions.
Ubuntu Philosophy: I Am Because We Are — and Its Political Legacy in South Africa
Ubuntu — the African philosophy of communal humanity — shaped South Africa's post-apartheid reconciliation and influenced global thinking on justice, community, and human dignity. Explore its origins, meaning, and applications.
Utilitarianism: Bentham, Mill, and the Greatest Happiness Principle
Utilitarianism holds that the right action maximizes overall well-being. Developed by Bentham and refined by Mill, Singer, and others, it remains the dominant consequentialist ethical theory.
Virtue Ethics: Aristotle's Framework for Human Flourishing
Virtue ethics asks what kind of person to be, not what acts to perform. Aristotle's eudaimonia, the doctrine of the mean, and contemporary neo-Aristotelians like MacIntyre and Foot define this tradition.
Utilitarianism: Bentham, Mill, and the Greatest Good
Bentham's felicific calculus, Mill's quality of pleasures distinction, act vs. rule utilitarianism, the Trolley Problem, and effective altruism — utilitarianism examined in full.
Utilitarianism vs. Deontology: Two Frameworks of Moral Reasoning
Compare utilitarian and deontological ethics from Bentham and Mill to Kant, examining how each framework handles real moral dilemmas and where they conflict.
Wabi-Sabi: The Japanese Aesthetic of Finding Beauty in Imperfection
Wabi-sabi is the Japanese aesthetic philosophy that finds beauty in imperfection, transience, and incompleteness. Explore its Zen origins, visual principles, and contemporary influence.
What Is Aristotelian Ethics: Virtue, Eudaimonia, and the Good Life
A comprehensive overview of Aristotelian ethics — exploring Aristotle's concepts of eudaimonia, virtue, the doctrine of the mean, and their lasting influence on moral philosophy.
What Is Buddhist Philosophy: Core Teachings, Ethics, and the Noble Path
An encyclopedic overview of Buddhist philosophy — covering the Four Noble Truths, the Eightfold Path, core ethical principles, and major schools of Buddhist thought worldwide.
What Is Confucianism? Ethics, Social Order, and East Asian Thought
Confucianism is a philosophical and ethical system developed from the teachings of the Chinese philosopher Confucius (551–479 BCE). Learn about its core concepts — ren, li, and the Five Relationships — and its profound influence on East Asian civilizations.
Contractarianism: Social Contract Theory from Hobbes to Rawls
Contractarianism grounds political authority and moral principles in agreements rational individuals would accept. From Hobbes's Leviathan to Rawls's veil of ignorance, it shapes modern democratic theory.
What Is Deontological Ethics: Kant, Duties, and Moral Rules Explained
Deontological ethics holds that morality is based on duties and rules, not outcomes. Learn about Kant's categorical imperative, rights-based ethics, and key objections.
What Is Determinism vs. Free Will: The Debate That Won't End
Explore the philosophical debate between determinism and free will, including compatibilism, hard determinism, and what neuroscience reveals about human choice.
What Is Epicureanism and Why It's Not About What You Think
Discover the real philosophy of Epicurus, which championed simple pleasures, friendship, and freedom from fear, not luxury and indulgence as commonly believed.
What Is Epistemology? The Philosophy of Knowledge and Belief
Explore epistemology, the branch of philosophy concerned with knowledge, belief, justification, and truth — including major theories from rationalism to social epistemology.
What Is Existentialism: Sartre, Camus, and the Search for Meaning
A thorough introduction to existentialism — the philosophical movement that places individual freedom, responsibility, and the search for meaning at the center of human life — exploring the key ideas of Sartre, Camus, de Beauvoir, and Kierkegaard, and their continuing relevance.
What Is Existentialism and What Sartre Actually Meant
Existentialism is a philosophical tradition focused on individual freedom, responsibility, and meaning-making. This article explains its core ideas and what Sartre's version actually argued.
What Is Existentialism? Freedom, Authenticity, and the Absurd
Existentialism is a philosophical movement holding that human beings create their own meaning in a universe that offers none. Thinkers like Sartre, Camus, Kierkegaard, and Heidegger grappled with freedom, anxiety, authenticity, and the human condition, producing ideas that reshaped literature, psychology, and political thought.
What Is Free Will? Determinism, Compatibilism, and the Brain
An encyclopedic examination of free will — the major philosophical positions, the challenge of determinism, compatibilism, neuroscience findings on decision-making, and practical implications.
What Is Kantian Ethics: The Categorical Imperative and Moral Duty
A clear and comprehensive introduction to Immanuel Kant's moral philosophy — the categorical imperative, the primacy of duty over consequences, respect for persons as ends in themselves, and the lasting influence of Kantian deontology on modern ethics and human rights.
What Is Kantian Ethics? The Categorical Imperative Explained
Kantian ethics, founded by Immanuel Kant, holds that morality is based on duty and universal law, not consequences. Learn about the categorical imperative, its formulations, and its lasting influence.
What Is Kantian Ethics: The Categorical Imperative Explained
Kantian ethics is a moral framework built on reason and duty rather than outcomes. Discover the categorical imperative and how Kant's ideas still shape modern moral thinking.
What Is Marxism? Class, Capital, and the Critique of Capitalism
Marxism is a political, economic, and philosophical framework developed by Karl Marx and Friedrich Engels. Learn about historical materialism, class struggle, surplus value, and the lasting influence of Marxist thought on politics and social science.
Moral Absolutism: Universal Ethical Standards and Their Challenges
Moral absolutism holds that certain actions are always right or wrong regardless of context or consequences. Rooted in natural law and Kantian ethics, it conflicts with moral relativism and situational ethics.
What Is Moral Relativism: Cultural Values, Ethics, and Its Critics
A balanced and thorough examination of moral relativism — the view that moral truths are relative to cultures or individuals — exploring its varieties, the evidence that supports it, the powerful objections it faces, and what it means for cross-cultural moral judgment.
What Is Nihilism: Meaning, Types, and Why It's Misunderstood
Nihilism holds that life lacks objective meaning or moral truth, but it is far more nuanced than mere despair. Explore the major types, key thinkers, and common misconceptions.
What Is Phenomenology? Husserl, Experience, and Consciousness
Phenomenology is a philosophical method that investigates the structures of lived experience and consciousness. Learn about Husserl's foundational work, intentionality, and the influence of Heidegger and Merleau-Ponty.
What Is Philosophy? The Branches, Methods, and Questions That Define Human Inquiry
A comprehensive introduction to philosophy — what philosophical questions are and why they matter, the major branches (metaphysics, epistemology, ethics, logic, aesthetics), the history of Western and Eastern philosophical traditions, how philosophy differs from science and religion, and philosophy's enduring relevance.
Plato's Allegory of the Cave: Shadows, Truth, and the Philosopher's Journey
Plato's Allegory of the Cave, found in Book VII of the Republic, is one of the most famous thought experiments in the history of philosophy. It illustrates the philosopher's journey from ignorance to knowledge, the nature of reality versus appearance, and the political obligation of the enlightened to return and educate others.
What Is Pragmatism? Truth, Meaning, and American Philosophy
Pragmatism is a distinctively American philosophical tradition that judges ideas by their practical consequences. Learn about the key thinkers — Peirce, James, Dewey — and how pragmatism shaped education, science, law, and everyday thought.
What Is Social Contract Theory: Hobbes, Locke, Rousseau, and Modern Democracy
A comprehensive guide to social contract theory — the idea that legitimate political authority rests on an agreement among individuals — examining the radically different visions of Hobbes, Locke, and Rousseau and their influence on modern democracy, rights, and government.
What Is Social Contract Theory: Hobbes, Locke, and Rousseau Compared
Social contract theory asks why individuals give up freedoms to live under government authority. Compare how Hobbes, Locke, and Rousseau answered this question very differently.
What Is Stoicism and How to Apply It Today
Stoicism is an ancient philosophy focused on virtue, reason, and distinguishing what we control from what we cannot. Learn its core principles and how to practice them in modern life.
What Is Stoicism: Ancient Philosophy for Modern Resilience
An accessible guide to Stoic philosophy — from its origins in ancient Athens through the Roman Stoics Seneca, Epictetus, and Marcus Aurelius — exploring its core doctrines, its distinctive approach to emotion and reason, and why millions of people today find it a practical guide to living well.
What Is Stoicism? The Ancient Philosophy for Modern Life
Stoicism is an ancient Greek philosophy focused on virtue, reason, and accepting what we cannot control. Learn the core teachings of Marcus Aurelius, Epictetus, and Seneca, and how Stoic practices apply to modern life.
What Is the Problem of Evil and How Philosophers Respond
The problem of evil asks why a good, all-powerful God allows suffering. Explore the logical and evidential versions of this challenge and the major philosophical and theological responses.
What Is the Trolley Problem and What It Reveals About Moral Reasoning
The trolley problem is a thought experiment that pits action against inaction in moral decision-making. Discover what it reveals about how humans reason about harm and ethics.
What Is Utilitarianism: The Greatest Good for the Greatest Number
A thorough introduction to utilitarianism — the moral theory that actions are right insofar as they promote happiness and wrong as they produce the opposite — covering its founders Bentham and Mill, its varieties, its most powerful objections, and its influence on modern policy.
What Is Utilitarianism? The Greatest Good for the Greatest Number
Utilitarianism is the ethical theory that the right action is whichever produces the greatest good for the greatest number of people. This article explores its origins with Jeremy Bentham and John Stuart Mill, its key variants, and the powerful objections it faces.
What Is Virtue Ethics: Aristotle's Approach to Living Well
A thorough introduction to virtue ethics — the ancient moral tradition, revived in modern philosophy, that asks not what we should do but what kind of person we should be — exploring Aristotle's key concepts, their contemporary reception, and how virtue ethics differs from rival moral theories.
What Is Virtue Ethics: Character, Flourishing, and the Virtuous Life
Virtue ethics focuses on moral character rather than rules or outcomes. Learn about Aristotle's eudaimonia, the virtues, contemporary virtue ethics, and its application today.