Schools of Thought
Schools vs Traditions vs Movements
These are often confused.
| Type | Meaning |
|---|---|
| School | Coherent system with identifiable structure |
| Tradition | Long-running civilizational continuity |
| Movement | Looser historical/intellectual wave |
| Methodology | Shared analytical process |
| Religion | Metaphysical + ritual + ethical structure |
| Ideology | Normative socio-political system |
Example:
- “Western Philosophy” = tradition
- “Existentialism” = movement/school hybrid
- “Phenomenology” = methodology/school
- “Stoicism” = school
- “Marxism” = ideology + school
Schools of philosophy are usually defined by a combination of six structural factors:
- Shared Core Claims
- Shared Methods
- Shared Lineage
- Shared Problems
- Shared Vocabulary
- Shared Historical Context
A “school” is not just “people who agree.” It is more like a durable intellectual formation.
The Main Defining Axes
| Axis | Meaning | Example |
|---|---|---|
| Doctrine | What they believe | Stoics believe virtue is the only true good |
| Method | How they reason | Analytic philosophy emphasizes formal clarity |
| Lineage | Who influenced whom | Plato → Aristotle → Peripatetics |
| Subject Focus | What they study most | Existentialists focus on meaning/existence |
| Geography/Culture | Civilizational origin | Confucianism in ancient China |
| Historical Reaction | What they are reacting against | Rationalism reacting to skepticism |
Internal Structure of a School
| Characteristic | Definition |
|---|---|
| Foundational Texts | The canonical writings, scriptures, dialogues, treatises, lectures, or commentaries regarded as authoritative within the school |
| Core Vocabulary | The specialized terminology, concepts, phrases, distinctions, and technical language unique or central to the school |
| Metaphysics | The school’s theory of reality, existence, being, substance, causation, space, time, and the fundamental structure of the universe |
| Epistemology | The school’s theory of knowledge, truth, justification, perception, certainty, and how humans can know things |
| Ethics | The school’s theory of morality, virtue, action, value, obligation, flourishing, and proper human conduct |
| Method | The processes and techniques used for philosophical inquiry, analysis, argumentation, interpretation, observation, or reasoning |
| Internal Debates | Major disagreements, schisms, factions, reinterpretations, controversies, or doctrinal disputes within the school |
| Successors | Later movements, thinkers, reinterpretations, adaptations, revivals, or descendant schools influenced by the original school |
External Classification Context
| Source Area | Definition |
|---|---|
| History of Philosophy | Examines how the school emerged historically, its chronological development, major figures, and historical influence |
| Philosophy of Philosophy | Examines what structurally distinguishes the school’s methods, assumptions, goals, and philosophical system from others |
| Intellectual History | Examines how the school formed and evolved socially, politically, culturally, and institutionally across time |
| University Classification | Examines how academic institutions, departments, encyclopedias, and curricula categorize and organize the school |
| Classical Sources | Examines how original or near-contemporary sources described, defined, and understood the school itself |
| Sociology of Knowledge | Examines how the school persisted, transmitted ideas, formed communities, maintained authority, and reproduced itself socially across generations |
Different Ways Schools Form
1. Around a Founder
The founder becomes the gravitational center.
Examples:
- Plato → Platonism
- Aristotle → Aristotelianism
- Confucius → Confucianism
- Karl Marx → Marxism
These schools preserve:
- teachings
- terminology
- interpretive traditions
- institutional continuity
2. Around a Shared Method
The members may disagree on conclusions but share intellectual procedure.
Examples:
- Analytic philosophy
- Phenomenology
- Scholasticism
For example:
Phenomenologists may disagree on politics, religion, or ethics, but they share:
- first-person analysis
- intentionality
- structures of consciousness
Associated figures include:
- Edmund Husserl
- Martin Heidegger
- Maurice Merleau-Ponty
3. Around a Shared Problem
Sometimes the school exists because everyone is trying to answer the same question.
Examples:
- Existentialism
(“How should humans live in an absurd or uncertain world?”) - Skepticism
(“Can certainty exist?”) - Pragmatism
(“What makes ideas useful or true in practice?”)
4. Around Institutions
Some schools are literal organizations.
Examples:
- The Academy of Plato
- The Lyceum of Aristotle
- Medieval Scholastic universities
- Frankfurt School
The Frankfurt School is a strong example because:
- members differed substantially
- but shared institutional history and critical theory orientation
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Showing 117 of 117 schools.
Academic Skepticism
Hellenistic Platonic Academy tradition centered on suspension of judgment, anti-dogmatic inquiry, critique of Stoic certainty, and plausible guidance for action under uncertainty.
Ājīvika
Ancient Indian śramaṇa and nāstika ascetic school associated with Makkhali Gośāla, niyati, determinism or fatalism, transmigration, austerity, and a severe critique of moral agency.
Akbarism
Akbarian Sufi metaphysical school centered on Ibn ʿArabī, al-Shaykh al-Akbar, waḥdat al-wujūd, divine names, imaginal worlds, the perfect human, unveiling, and later commentary traditions.
Amoralism
Ancient Indian śramaṇa doctrine associated with Pūraṇa Kassapa, centered on akriyāvāda: denial that action, merit, demerit, restraint, killing, giving, or ascetic effort has intrinsic moral efficacy.
Analytic Philosophy
Late nineteenth- and twentieth-century philosophical tradition centered on logical analysis, argumentative clarity, language, meaning, science, mathematics, mind, metaphysics, and naturalized inquiry.
Aristotelianism
Philosophical tradition rooted in Aristotle's logic, metaphysics, natural philosophy, ethics, politics, biology, psychology, rhetoric, poetics, and theory of scientific explanation.
Ashʿarism
Sunni kalām school associated with al-Ashʿarī, divine omnipotence, created accidents, atomism, occasionalist causality, acquisition, critique of Muʿtazilism, and rational defense of revelation.
Atomism
Presocratic natural-philosophical school centered on indivisible atoms, void, motion, necessity, infinite worlds, non-teleological explanation, perception, and material explanation of sensible qualities.
Augustinianism
Latin Christian philosophical-theological tradition rooted in Augustine's synthesis of Christian doctrine, Platonism and Neoplatonism, interiority, divine illumination, will, grace, original sin, memory, time, evil as privation, and the two cities.
Averroism
Medieval Aristotelian tradition centered on Ibn Rushd's commentaries, defense of philosophy, intellect theory, eternity debates, relation of philosophy and revelation, and Latin and Jewish reception.
Avicennism
Islamic Peripatetic and Avicennian philosophical tradition centered on Ibn Sīnā's metaphysics, logic, psychology, natural philosophy, medicine, emanation, essence and existence, the necessary existent, prophecy, and post-Avicennian commentary.
Baghdad Peripatetic School
Tenth-century Baghdad Aristotelian and logical-philosophical circle centered on Syriac-Arabic translation, Aristotelian logic, philosophical commentary, interreligious debate, and the circle of Abū Bishr Mattā, Yaḥyā ibn ʿAdī, Abū Sulaymān al-Sijistānī, and Abū Ḥayyān al-Tawḥīdī.
Buddhism
Broad śramaṇa philosophical-religious tradition rooted in Siddhārtha Gautama and centered on suffering, liberation, dependent origination, karma, rebirth, impermanence, non-self, ethics, meditation, monastic discipline, and later Abhidharma, Mahāyāna, and Vajrayāna developments.
Capability Approach
Contemporary normative framework developed by Amartya Sen and Martha Nussbaum that evaluates justice, development, equality, freedom, poverty, disability, gender, public policy, and human flourishing by what people are substantively able to be and do.
Cappadocian Christianity
Fourth-century Greek Christian philosophical-theological school of Basil, Gregory of Nazianzus, and Gregory of Nyssa, centered on Nicene Trinitarian theology, ousia/hypostasis language, divine incomprehensibility, Holy Spirit theology, apophaticism, virtue, ascetic formation, creation, anthropology, and deification.
Chan Buddhism
Chinese Mahāyāna Buddhist meditation school, later transmitted as Zen, Sŏn, and Thiền, centered on direct insight into mind or nature, sudden awakening, lineage transmission, the Platform Sutra, encounter dialogue, gongan/kōan practice, monastic discipline, and Huineng's Southern school.
Chinese Buddhism
Chinese reception, translation, institutionalization, and transformation of Indian and Central Asian Buddhism into Chinese Buddhist philosophical traditions, including scripture translation, doctrinal classification, meditation, Pure Land, Tiantai, Huayan, Sanlun, Weishi, Buddha-nature thought, monastic discipline, and canon formation.
Christian Humanism
Renaissance and early modern Christian humanist tradition centered on classical learning, biblical philology, moral reform, education, civic virtue, peace, inner piety, and renewal of church and society through the studia humanitatis.
Christian Platonism
Christian philosophical-theological tradition that interprets Platonist and Middle Platonist themes through scripture, Logos theology, divine transcendence, participation, ascent, allegorical exegesis, spiritual formation, and the relation between God, creation, soul, and salvation.
Civic Humanism
Italian Renaissance republican-humanist tradition centered on the active life, classical rhetoric, civic virtue, public service, republican liberty, historical writing, moral education, and the Florentine chancellor-humanist model of Salutati and Bruni.
Common Sense Realism
Scottish realist tradition centered on Thomas Reid's response to Humean skepticism and the theory of ideas, defending first principles, direct perception, testimony, memory, active powers, moral agency, and ordinary cognitive trust.
Confucianism
Classical and later East Asian Ru/Confucian tradition centered on ethical self-cultivation, ritual propriety, family-state order, moral education, humane governance, and canonical interpretation.
Cosmopolitanism
Philosophical tradition treating all human beings as members of a shared moral, political, or cultural community, from Cynic and Stoic world-citizenship and Kantian cosmopolitan right to modern global justice, human rights, pluralism, and Appiah's rooted cosmopolitan ethics.
Critical Theory
Interdisciplinary Marxist and post-Marxist social philosophy centered on ideology critique, domination, emancipation, capitalism, culture industry, authoritarianism, reason, democracy, communication, and the relation between philosophy and social research.
Cynicism
Ancient Socratic ascetic school associated with Antisthenes, Diogenes, Crates, Hipparchia, and later Cynic preachers, centered on virtue as sufficient for happiness, self-sufficiency, poverty, shameless frankness, training, freedom from convention, and life according to nature.
Cyrenaicism
Socratic hedonist school associated with Aristippus of Cyrene and later Cyrenaics, centered on present bodily pleasure, pain avoidance, practical self-command, skeptical and empiricist epistemology, and the art of managing circumstances for pleasurable living.
Daoism
Chinese Daoist philosophical tradition centered on the dao, de, wuwei, ziran, non-coercive action, naturalness, spontaneity, embodied skill, political minimalism, language skepticism, and critique of artificial norms.
Deconstruction
Derridean philosophical practice centered on close reading, differance, trace, supplement, iterability, logocentrism, phonocentrism, metaphysics of presence, binary opposition, aporia, undecidability, writing, textuality, ethics, law, and politics.
Deep Ecology
Radical environmental philosophy associated with Arne Naess, ecosophy, intrinsic value, biospheric egalitarianism, self-realization, ecological identification, critique of anthropocentrism, and the contrast between shallow and deep environmental movements.
Ecofeminism
Feminist environmental philosophy linking the domination of women, nature, animals, colonized peoples, and marginalized groups through critiques of dualism, patriarchy, capitalism, colonialism, instrumental reason, and anthropocentrism.
Eleatic School
Presocratic Greek school centered on Elea, radical monism, Being, the denial or problematization of change, plurality, motion, coming-to-be, and the contrast between truth or reason and mortal opinion.
Elian-Eretrian School
Minor Socratic school founded by Phaedo of Elis and later associated with Eretria through Menedemus and Asclepiades, known from fragmentary testimony for Socratic ethical dialectic, character formation, and a tradition often compared with Megarian argument.
Empiricism
Early modern and British philosophical tradition grounding knowledge in experience, observation, experiment, sensory ideas, induction, probable reasoning, and critique of innate ideas, centered here on Bacon, Locke, and Hume.
Engaged Buddhism
Modern Buddhist tradition applying mindfulness, compassion, nonviolence, interbeing, sangha practice, and bodhisattva ethics to war, suffering, social injustice, ecology, peace work, and institutional transformation.
Enlightenment
Eighteenth-century European and especially French intellectual movement centered on reason, critique, science, progress, toleration, secular reform, encyclopedic knowledge, political liberty, natural rights, public debate, and opposition to arbitrary religious and political authority.
Epicureanism
Hellenistic atomist and therapeutic philosophical school centered on pleasure, freedom from disturbance, freedom from bodily pain, friendship, prudence, natural limits, empiricist canonics, atomism, mortal soul, critique of superstition, and removal of fear of gods and death.
Evidential Scholarship
Qing Chinese evidential research movement centered on textual verification, philology, phonology, paleography, epigraphy, classical learning, precise commentary, anti-speculative critique, and reconstruction of ancient meanings.
Existentialism
Nineteenth- and twentieth-century movement centered on existence, freedom, anxiety, finitude, responsibility, authenticity, absurdity, alienation, choice, embodiment, bad faith, situatedness, and the problem of meaning.
Faxiang
Tang Chinese Consciousness-Only school founded through Xuanzang's translation project and systematized by Kuiji, centered on Yogacara doctrine, vijnaptimatra, eight consciousnesses, alaya-vijnana, seeds, three natures, cognition, karmic construction, Buddhist logic, and scholastic commentary.
Feminism
Philosophical and political tradition analyzing sex, gender, patriarchy, oppression, embodiment, care, equality, autonomy, social reproduction, rights, difference, intersectionality, and justice, centered here on Wollstonecraft's rights-and-education feminism and Young's structural-injustice feminist political theory.
Franciscan Scholasticism
Medieval Franciscan intellectual tradition centered on Bonaventure and the Paris Franciscan school, joining Augustinian illumination, Christian Platonism, Aristotelian scholastic method, mendicant poverty, exemplarism, affective theology, metaphysics of creation, and ascent to God.
German Idealism
Post-Kantian German philosophical movement centered on self-consciousness, freedom, reason, the absolute, nature, spirit, systematic philosophy, transcendental idealism, practical agency, and the overcoming of Kantian dualisms.
Grammarian Tradition
Sanskrit grammarian and Vyakarana philosophical tradition centered on language, word, sentence, meaning, sphota, shabda, grammar as a path of knowledge, and Bhartrhari's Vakyapadiya.
Harranian Neoplatonism
Late antique and early Islamic Harranian Sabian tradition joining astral religion, Hellenic pagan learning, Neoplatonic and Pythagorean metaphysics, Hermetic materials, mathematics, astronomy, translation culture, and the Baghdad intellectual world around Thabit ibn Qurra.
Hegelianism
Philosophical tradition rooted in Hegel's absolute idealism, dialectical method, logic, spirit, recognition, history, freedom, ethical life, state, religion, art, and systematic reconciliation of thought and reality.
Heracliteanism
Presocratic tradition rooted in Heraclitus' fragmentary philosophy of logos, fire, flux, unity of opposites, hidden harmony, cosmic order, conflict, measure, and critique of ordinary understanding.
Huayan
East Asian Mahayana Buddhist school centered on the Avatamsaka Sutra, interpenetration of all phenomena, li/shi and shi/shi non-obstruction, Indra's net, dependent arising, Buddha-nature, doctrinal classification, and the Tang Huayan patriarchal tradition.
Humanism
Renaissance intellectual tradition centered on the studia humanitatis, classical recovery, grammar, rhetoric, history, poetry, moral philosophy, philology, eloquence, education, civic and ethical formation, textual criticism, and renewed attention to human dignity and agency.
Illuminationism
Suhrawardi's Persian-Islamic wisdom of illumination centered on light metaphysics, knowledge by presence, imaginal worlds, symbolic cosmology, critique of Avicennian Peripateticism, and the union of disciplined demonstration with contemplative disclosure.
Islamic Cosmology
Islamic intellectual tradition interpreting creation, heavens, earth, time, souls, angels, jinn, matter, elements, celestial spheres, divine providence, eschatology, astronomy, cosmography, kalām, falsafa, Sufi and Ismāʿīlī metaphysics, and works such as al-Qazwīnī’s Wonders of Creation.
Islamic Neoplatonism
Arabic-Islamic reception and transformation of late antique Neoplatonic materials, centered on Greek-to-Arabic transmission, Plotinian and Proclean pseudepigrapha, emanation, intellect, soul, cosmology, divine simplicity, hierarchy of being, prophecy, and harmonizing Plato and Aristotle within Islamic intellectual culture.
Islamic Peripateticism
Islamic Peripateticism centers al-Kindi and al-Farabi here and frames falsafa through Greek-Arabic transmission, Aristotelian logic, demonstration, metaphysics, intellect, causality, prophecy, political order, and later Avicenna/Ibn Rushd reception as context.
Islamic Rationalism
Islamic Rationalism centers Abu Rayhan al-Biruni here and frames rational inquiry through demonstration, mathematics, astronomy, chronology, comparative religion, falsafa, kalām, Muʿtazilah context, Greek-Arabic transmission, language, logic, and natural philosophy.
Jainism
Jainism centers Mahāvīra (Vardhamāna) here and frames Jain philosophy through jīva, ajīva, karma, ahiṃsā, anekāntavāda, syādvāda, aparigraha, vows, kevala jñāna, tīrthaṅkaras, and liberation.
Kantianism
Kantianism centers Immanuel Kant here and frames critical philosophy through transcendental idealism, critique, synthetic a priori judgment, autonomy, freedom, dignity, judgment, enlightenment, and public reason.
Latin Averroism
Latin Averroism centers Siger of Brabant here and connects Latin university reception of Averroes with Aristotelian demonstration, unity of intellect, eternity of the world, and the contested relation between philosophy and Christian doctrine.
Legalism
Legalism centers Han Fei, Li Si, and Shang Yang as Chinese statecraft thinkers focused on law, standards, administrative technique, positional power, rewards and punishments, and Qin political order.
Logical Positivism
Logical Positivism centers Rudolf Carnap here and connects verification, logical analysis, scientific language, anti-metaphysics, logical empiricism, and Vienna Circle context.
Madhyamaka
Madhyamaka is a Mahāyāna Buddhist philosophical school centered on emptiness, dependent origination, the middle way, and the two truths.
Marxism
Marxism is a modern socialist and critical tradition centered on historical materialism, class struggle, exploitation, ideology, alienation, and the critique of capitalist social relations.
Materialism
Materialism treats matter, body, or physical reality as basic and explains mind, life, religion, and social order without appeal to incorporeal substances.
Megarian School
The Megarian School was a minor Socratic school centered on Euclid of Megara, dialectical argument, paradoxes, and early work in logic and modality.
Milesian School
The Milesian School names the early Ionian natural inquiry associated with Thales, Anaximander, Anaximenes, and later Milesian-style cosmology.
Mimamsa
Mimamsa names the Vedic hermeneutic and ritual-philosophical school associated with Jaimini and Śabara, centered on dharma, injunction, language, action, and the authority of the Veda.
Mohism
Mohism names the Warring States school associated with Mozi, centered on inclusive care, public benefit, anti-aggression, frugality, Heaven, meritocratic order, and later Mohist logic.
Mysticism
Mysticism names contemplative and theological traditions of transformative encounter with God or ultimate reality, represented here by Bernard of Clairvaux and Meister Eckhart.
Neo-Aristotelianism
Neo-Aristotelianism names contemporary Aristotelian work on flourishing, virtue, practical reason, emotion, dignity, and capabilities, represented here by Martha Nussbaum.
Neo-Confucianism
Neo-Confucianism names the Song-Ming reconstruction of Confucian learning around principle, vital force, classical commentary, moral cultivation, and the path to sagehood, represented here by Cheng Hao, Cheng Yi, Huang Zongxi, Zhang Zai, Zhou Dunyi, and Zhu Xi.
Neo-Daoism
Neo-Daoism names the Wei-Jin xuanxue reconstruction of Daoist and classical Chinese thought around nonbeing, being, naturalness, effortless action, sagehood, and commentary, represented here by Guo Xiang, He Yan, and Wang Bi.
Neoplatonism
Neoplatonism names the late antique and later Platonic tradition centered on the One, Intellect, Soul, procession, reversion, participation, contemplative ascent, theurgy, and later Latin and Renaissance transmission.
Nietzscheanism
Nietzscheanism names the philosophical inheritance centered on Friedrich Nietzsche's critique of morality, revaluation of values, will to power, eternal recurrence, perspectivism, nihilism, genealogy, self-overcoming, tragedy, and critique of metaphysics.
Nominalism
Nominalism names the medieval and later philosophical position that universals are not independently existing things, with William of Ockham as the linked figure for terms, concepts, supposition theory, mental language, parsimony, and Ockham's razor.
Nyaya
Nyaya names the Indian school of logic, epistemology, debate, and liberation-oriented realism centered on reliable knowledge through pramāṇas, the Nyāya Sūtra, Vātsyāyana's Nyāyabhāṣya, and later Nyāya traditions.
Ordinary Language Philosophy
Ordinary Language Philosophy names the Oxford-centered analytic method, represented here by J. L. Austin, that diagnoses philosophical confusion through careful attention to how words, speech acts, excuses, and distinctions work in ordinary use.
Peripateticism
Peripateticism names the Lyceum-centered Aristotelian research tradition represented here by Aristoxenus, Eudemus, and Theophrastus, where logic, natural science, ethics, rhetoric, music theory, mathematics, and doxography are pursued as systematic inquiry.
Phenomenology
Phenomenology studies experience as it is lived and disclosed, centering intentionality, consciousness, embodiment, worldhood, temporality, perception, meaning, and the lifeworld through Husserl, Heidegger, and Merleau-Ponty.
Platonism
Platonism names the Academy-centered tradition of Plato and later Platonists, centered here on Forms, intelligible order, soul, the Good, dialectic, mathematical inquiry, Academy succession, and Middle Platonist continuation.
Pluralism
Pluralism names the Presocratic effort to explain change and cosmic order through multiple enduring principles, centered here on Anaxagoras and Empedocles.
Positivism
Positivism names the scientific and empiricist effort to ground knowledge in experience, description, and the methods of the sciences, centered here on Ernst Mach.
Postcolonialism
Postcolonialism names critique of colonial power, racialized modernity, sovereignty, violence, memory, and decolonization, centered here on Joseph-Achille Mbembe.
Postmodernism
Postmodernism names critique of grand narratives, stable foundations, and modern legitimation, centered here on Jean Baudrillard and Jean-François Lyotard.
Post-structuralism
Post-structuralism names a family of continental critiques of stable structures, centered here on Michel Foucault and Judith Butler.
Pragmatism
Pragmatism names classical American philosophy that tests meaning, truth, and inquiry through practical consequences, experience, habit, and public life, centered here on Charles Sanders Peirce, John Dewey, and William James.
Pure Land Buddhism
Pure Land Buddhism centers devotion to Amitabha and rebirth in Sukhavati, with this page focused on Huiyuan and the Chinese Mount Lu/Donglin formation of Pure Land practice.
Pyrrhonism
Pyrrhonism is an ancient skeptical tradition centered on Pyrrho, Timon, Aenesidemus, and Sextus Empiricus, using suspension of judgment and equipollent arguments to resist dogmatic assent.
Pythagoreanism
Pythagoreanism centers Pythagoras of Samos and the ancient tradition linking number, harmony, soul, purification, mathematics, music, cosmology, and disciplined communal life.
Rationalism
Early modern philosophical school associated with Descartes, Spinoza, Leibniz, Malebranche, Wolff, and Émilie du Châtelet, emphasizing reason, innate ideas, deduction, clear and distinct knowledge, mathematical method, intelligibility, substance metaphysics, and necessary truths.
Realism
Political and international-relations current associated with Machiavelli, Thucydides, Hobbes, Clausewitz, Carr, Morgenthau, Niebuhr, and Waltz, emphasizing power, security, prudence, state interest, conflict, sovereignty, balance, and the limits of moral idealism in politics.
Reform Confucianism
Late Qing and early modern Chinese Confucian reform current associated with Kang Youwei and Liang Qichao, reinterpreting Confucius, New Text learning, constitutional monarchy, institutional reform, national renewal, public education, civilizational survival, and modern political transformation.
Rhineland Mysticism
Late medieval Christian mystical current of the Rhine region associated with Meister Eckhart, Johannes Tauler, Heinrich Suso, Dominican preaching, vernacular theology, inner detachment, the ground of the soul, divine birth, apophatic theology, contemplative union, and pastoral reform.
Rousseauism
Eighteenth-century philosophical and political current rooted in Jean-Jacques Rousseau, emphasizing natural goodness, social corruption, popular sovereignty, the general will, civic freedom, equality, moral sentiment, education, authenticity, civil religion, and critique of modern inequality.
Sage Philosophy
Contemporary African philosophical movement associated with Henry Odera Oruka, documenting and critically interpreting the reflective thought of non-academic sages through interviews, oral traditions, philosophic sagacity, moral reasoning, metaphysics, personhood, community, and debates over African philosophy.
Samkhya
Classical Indian philosophical school, one of the orthodox darśanas, associated with Kapila and Īśvarakṛṣṇa, teaching a dualism of puruṣa and prakṛti, twenty-five tattvas, three guṇas, causation through evolution, and liberation through discriminative knowledge.
Scholasticism
Medieval Latin philosophical and theological school rooted in monastic, cathedral, and university learning, using logic, commentary, quaestio, disputation, Aristotle, Augustine, authorities, and rigorous distinctions to investigate God, being, knowledge, ethics, law, language, and nature.
School of Mind
Song-Ming Neo-Confucian school also called Xīnxué or Lu-Wang learning, centered on Lu Jiuyuan and Wang Yangming, teaching that heart-mind and principle are one, moral knowledge is innate, and self-cultivation realizes original knowing through sincere action.
School of Names
Warring States Chinese philosophical current also called the Logicians or Míngjiā, associated with Hui Shi, Gongsun Long, paradox, disputation, names and realities, same and different, hard and white, white horse arguments, and early philosophy of language and logic.
Schopenhauerianism
Nineteenth-century post-Kantian philosophical current rooted in Arthur Schopenhauer, centering the world as representation, metaphysical will, pessimism, suffering, aesthetic contemplation, compassion, ascetic denial of the will, and major influence on Nietzsche, Wagner, Freud, existentialism, and philosophical pessimism.
Scientific Revolution
Early modern transformation of natural philosophy associated with Copernicus, Galileo, Kepler, Bacon, Descartes, Boyle, Newton, and learned societies, replacing inherited Aristotelian-Ptolemaic frameworks with mathematized, experimental, instrumental, and law-governed inquiry into nature.
Scotism
Late medieval Franciscan scholastic school rooted in John Duns Scotus, emphasizing univocity of being, formal distinction, haecceity, common natures, divine freedom, will, contingency, intuitive cognition, and a subtle metaphysics of individuality and theology.
Scottish Enlightenment
Eighteenth-century Scottish philosophical and cultural movement centered in Edinburgh, Glasgow, Aberdeen, and learned societies, joining moral philosophy, common sense, empiricism, political economy, stadial history, improvement, sociability, and the science of human nature.
Self-Strengthening Movement
Late Qing Chinese reform movement seeking dynastic survival through self-strengthening, Western military and industrial techniques, translation, arsenals, shipyards, modern schools, diplomatic learning, and the Confucian formula of Chinese learning as substance and Western learning for application.
Skepticism
Cross-cultural philosophical orientation questioning certainty, dogmatic metaphysics, and unexamined claims to knowledge, spanning Greek Pyrrhonian and Academic traditions, Indian skeptical currents such as Sañjaya Belaṭṭhiputta, and later epistemological debates over doubt, suspension, appearance, and inquiry.
Socratic philosophy
Classical Greek philosophical movement centered on Socrates and his companions, emphasizing ethical inquiry, elenchic questioning, care of the soul, examined life, virtue, ignorance, dialogue, and the literary traditions preserved by Plato, Xenophon, Aristophanes, and later Socratics.
Sophism
Fifth-century BCE Greek intellectual movement of itinerant teachers, rhetoricians, and civic educators associated with Protagoras, Gorgias, Hippias, Prodicus, and Antiphon, examining persuasion, language, law, convention, virtue, religion, and political life.
Statecraft School
Late imperial Chinese practical-political school associated with jingshi statecraft, Qing reform thought, classical learning for governance, institutional repair, fiscal and military policy, geography, frontier knowledge, and Wei Yuan's response to dynastic crisis.
Stoicism
Hellenistic and Roman philosophical school founded by Zeno of Citium, teaching virtue as the only true good, reasoned life according to nature, disciplined assent, providential cosmic order, and freedom through mastery of judgment.
Thomism
Medieval and later Catholic philosophical school rooted in Thomas Aquinas, integrating Aristotelian metaphysics, Christian theology, natural law, virtue ethics, analogy, act and potency, essence and existence, and faith-reason synthesis.
Tiantai
Chinese Mahāyāna Buddhist philosophical school centered on Zhiyi, Mount Tiantai, the Lotus Sūtra, the perfect teaching, three truths, one vehicle, doctrinal classification, and integrated calming-and-contemplation practice.
Twelver Shiʿi Philosophy
Islamic philosophical and theological tradition rooted in Twelver Shiʿi doctrines of imamate, occultation, rational kalām, law, ethics, Avicennan philosophy, Illuminationism, and later Safavid and post-Safavid metaphysical synthesis.
Utilitarianism
Modern ethical and political-philosophical school associated with Jeremy Bentham, John Stuart Mill, Henry Sidgwick, and contemporary applied ethics, judging actions, rules, institutions, and policies by their consequences for happiness, welfare, utility, or preference satisfaction.
Vaisheshika
Classical Indian realist and atomist school associated with Kaṇāda and Praśastapāda, analyzing reality through categories, substances, qualities, motion, universals, inherence, particularity, atoms, selves, and liberation through true knowledge.
Vedanta
Classical Indian philosophical tradition interpreting the Upanishads, Brahma Sutras, and Bhagavad Gita around Brahman, self, world, liberation, scriptural authority, and the relation between ultimate reality and lived experience.
Vedic Tradition
Early Indo-Aryan Sanskrit tradition of revealed Vedic hymns, ritual recitation, priestly lineages, cosmic order, sacrificial practice, seer-poets, oral transmission, and the textual background from which later Indian philosophy emerged.
Victorine School
Twelfth-century Parisian Augustinian school centered at the Abbey of Saint-Victor, joining liberal arts pedagogy, scriptural exegesis, sacramental theology, symbolic reading of creation, contemplative ascent, and scholastic-mystical formation.
Wolffianism
Early German Enlightenment rationalist school centered on Christian Wolff's systematic method, demonstrative metaphysics, ontology, rational psychology, cosmology, natural theology, practical philosophy, and university pedagogy before Kant.
Yoga
Classical Indian philosophical school grounded in Patanjali's Yoga Sutras, Samkhya metaphysics, disciplined concentration, ethical restraint, and the liberation of purusha from prakriti through cessation of mental fluctuation.
Yogacara
Mahāyāna Buddhist school focused on the analysis of consciousness, cognitive construction, three natures, store consciousness, and meditative transformation in Indian, Tibetan, and East Asian traditions.