P_3_11 — Neoplatonism: Plotinus, Proclus, and the One

Neoplatonism is the philosophical and spiritual system founded by Plotinus (c. 204-270 CE) and elaborated by his successors — notably Porphyry (c. 234-305), Iamblichus (c. 245-325), and Proclus (412-485) — which reinterp

P_3_01 — Epistemology — How Do We Know What We Know?

Epistemology — the branch of philosophy concerned with the nature, sources, and limits of knowledge — is arguably the most foundational discipline for any research project that evaluates claims across time, culture, and

P_3_05 — Philosophy of Science — Demarcation, Method, and Progress

The philosophy of science investigates the foundations, methods, and implications of science — asking what distinguishes science from non-science (the demarcation problem), how scientific theories are confirmed or refute

P_3_14 — Hegel: Dialectics, Phenomenology of Spirit, and Historical Reason

Georg Wilhelm Friedrich Hegel (1770-1831), the most ambitious and systematic philosopher of the German Idealist tradition, developed a comprehensive philosophical system in which reality, thought, and history are underst

P_3_19 — Heidegger: Being, Technology, and Dasein

Martin Heidegger (1889–1976), arguably the most influential and controversial philosopher of the 20th century, fundamentally reoriented Western philosophy by arguing that the tradition had "forgotten" the question of Bei

P_3_13 — Kant: Transcendental Idealism and the Limits of Reason

Immanuel Kant (1724-1804), professor at the University of Königsberg in East Prussia, produced what is widely regarded as the most transformative body of work in modern Western philosophy. His three Critiques — the Criti

P_3_18 — Lacan Mirror Stage: Subjectivity, Language, and the Imaginary Order

Jacques Lacan (1901–1981), French psychoanalyst and psychiatrist, was the most original and controversial interpreter of Sigmund Freud's legacy in the 20th century. Lacan's central project was to "return to Freud" — to r

P_3_15 — Nietzsche: Eternal Recurrence, Will to Power, and the Übermensch

Friedrich Wilhelm Nietzsche (1844-1900) was a German philosopher, classical philologist, and cultural critic whose radical questioning of morality, religion, truth, and human meaning has made him one of the most influent

P_3_10 — Skepticism and Pyrrhonism

Skepticism — the philosophical position that knowledge is uncertain, limited, or impossible — is one of the oldest and most persistent currents in philosophy. Ancient Pyrrhonian skepticism (Pyrrho, ~360–270 BCE; Sextus E

P_3_04 — Phenomenology — Consciousness and the Structure of Experience

Phenomenology, founded by Edmund Husserl at the turn of the 20th century, is the systematic study of the structures of consciousness and the phenomena that appear within it. Through its central methodological innovations

P_3_12 — Medieval Philosophy: Aquinas, Ockham, and Scholastic Thought

Medieval philosophy spans roughly a millennium of intellectual activity (c. 5th-15th centuries CE) dominated by the project of integrating faith and reason — reconciling the philosophical heritage of ancient Greece (espe

P_3_00 — Western Tradition: Subfolder Summary

P_3_08 — Pragmatism — American Philosophy

Pragmatism is the most distinctive American contribution to philosophy, originating in the 1870s with Charles Sanders Peirce (1839–1914), developed by William James (1842–1910), and extended by John Dewey (1859–1952). It

P_3_16 — Heidegger & Phenomenology

Martin Heidegger (1889–1976) is widely regarded as one of the most influential — and controversial — philosophers of the 20th century. His magnum opus, Sein und Zeit (Being and Time, 1927), transformed Western philosophy

P_3_06 — Plato — Forms, Cosmology, and the Philosophical Tradition

Plato (428/427–348/347 BCE) is the foundational figure of Western philosophy, whose dialogues established the frameworks for metaphysics (Theory of Forms), epistemology (knowledge as recollection), political philosophy (

P_3_09 — Nihilism, Absurdism, and Camus

Nihilism — from Latin nihil ("nothing") — is the philosophical position that life, existence, and values lack objective meaning, purpose, or intrinsic worth. It is not a single doctrine but a cluster of related positions

P_3_07 — Aristotle — Natural Philosophy, Cosmology, and Legacy

Aristotle (384–322 BCE) was a Greek philosopher and polymath whose works constitute the single most influential body of thought in the history of Western and Islamic intellectual tradition. A student of Plato for twenty

P_3_03 — Existentialism — Freedom, Anxiety, and Authentic Being

Existentialism is the philosophical movement that places individual existence, freedom, and choice at the center of philosophical inquiry. Originating with Kierkegaard's rebellion against Hegelian system-building and Nie

P_3_20 — Heidegger: Being and Time, Dasein & the Question of Technology

Martin Heidegger (1889–1976) is arguably the most influential and controversial philosopher of the 20th century. His masterwork Sein und Zeit (Being and Time, 1927) revolutionized continental philosophy by reframing the

P_3_17 — Foucault: Power, Knowledge & Discourse

Michel Foucault (1926–1984) was a French philosopher, historian of ideas, and social theorist whose work on the relationship between power, knowledge, and discourse transformed the humanities and social sciences. His cen