Philosophy of Religion — Paul Maxwell

Albert CamusThe French-Algerian writer and philosopher whose work on the absurd, revolt, and the limits of revolutionary politics made him the canonical philosophical voice of mid-century European disenchantment and one of the few twentieth-century writers to receive the Nobel Prize for fundamentally philosophical work.Figures20th Century

Analogy of beingAquinas's account of how a word like good or wise can be said of God and of a creature: neither in the same sense, which would make God a being among beings, nor in unrelated senses, which would make theology empty, but in related senses with one primary.Concepts

Analytic PhilosophyThe 20th-century tradition characterized by formal precision, linguistic clarity, piecemeal problem-solving, and close engagement with logic and the sciences.Traditions20th Century

Anselm of CanterburyThe Italian-born Benedictine theologian and Archbishop of Canterbury whose ontological argument for God's existence and account of the atonement shaped the entire subsequent medieval tradition.FiguresMedieval

Augustine of HippoThe North African bishop whose synthesis of Christianity and Neoplatonism became the foundation of Latin Christian theology and shaped the metaphysical inheritance of the medieval West.FiguresLate Antiquity

AverroesCommentaries on Aristotle that transmitted Aristotelian philosophy to medieval Europe, and the argument that philosophy and revelation cannot conflict.Figures1126–1198

Bertrand RussellThe British philosopher, mathematician, logician, social critic, and public intellectual whose work in the foundations of mathematics, the philosophy of language, and the broader analytic tradition shaped twentieth-century philosophy more than any other single figure.Figures20th Century

Bondage of the WillLuther's 1525 treatise replying to Erasmus's Diatribe on Free Will, arguing that the human will after the Fall has no power in matters of salvation and that salvation is wholly the work of divine grace — a foundational text of Reformation theology and a major position in the long debate over freedom and grace.Books

Christian TheologyThe systematic intellectual tradition built around Christian revelation, integrating Scripture, the Church Fathers, and inherited Greek philosophy into a coherent account of God, world, and the human person.TraditionsLate Antiquity

City of GodAugustine's vast late work in twenty-two books on history, politics, and theology, interpreting human history as the unfolding of two intermingled communities oriented respectively to God and to self.Books

ConfessionsAugustine's autobiographical and philosophical work in thirteen books, the founding text of Western autobiography and one of the most influential single works in Latin Christian thought.Books

Cosmological ArgumentThe family of a posteriori arguments for God's existence that proceed from observed features of the world (motion, causation, contingency) to a first cause or necessary being, developed across Aristotelian, Islamic, Thomist, and Leibnizian versions.ConceptsCross-Era

David HumeThe Scottish empiricist whose analysis of causation, induction, and the self produced some of the most consequential skeptical arguments in modern philosophy.FiguresEnlightenment

Dialogues Concerning Natural ReligionHume's posthumously published 1779 dialogue, the most rigorous critique of natural theology in the philosophical tradition, presenting and analyzing the major arguments for God's existence through three philosophical characters.Books

Divine simplicityThe doctrine that God has no parts of any kind — not physical, not metaphysical — so that God's attributes are not components God possesses but are identical with God and with each other.Concepts

Faith and ReasonThe relationship between religious belief and rational justification — fideism, evidentialism, and everything between.Concepts

Fear and TremblingKierkegaard's 1843 pseudonymous work on Abraham, the binding of Isaac, the teleological suspension of the ethical, and the nature of faith — the founding text of religious existentialism.Books

Five WaysAquinas's five arguments for the existence of God in Summa Theologiae Ia q.2 a.3, proceeding from observed features of the world (motion, causation, contingency, gradation, order) to a first principle that everyone calls God.ConceptsMedieval

G.W. LeibnizThe German polymath philosopher and mathematician whose Monadology developed a metaphysics of simple substances and whose work in logic, mathematics, and the principle of sufficient reason shaped both rationalist philosophy and modern logic.FiguresEnlightenment

GodThe classical concept: a maximally great being.Concepts

Jean-Jacques RousseauGenevan-born philosopher, novelist, composer, and educational theorist (1712–1778) whose Social Contract reframed political legitimacy in terms of the general will, whose Discourse on Inequality argued that civilization had corrupted natural human freedom, and whose Émile founded modern educational theory.FiguresEnlightenment

John CalvinFrench Reformed theologian and reformer of Geneva (1509–1564) whose Institutes of the Christian Religion is the most systematic theological work of the Reformation, whose biblical commentaries cover most of the New and much of the Old Testament, and whose Geneva model of disciplined Reformed Christianity shaped Presbyterian, Reformed, and Puritan traditions for the following centuries.FiguresRenaissance

John Scotus EriugenaIrish philosopher and translator (c. 815–877) at the court of Charles the Bald, whose Latin translations of Pseudo-Dionysius and other Greek theologians transmitted Eastern Christian thought to the medieval Latin West and whose Periphyseon constructed the most ambitious philosophical theology of the early middle ages.FiguresMedieval

MaimonidesAndalusian-born rabbinic codifier, physician, and Aristotelian philosopher (1138–1204) whose Mishneh Torah systematized the entire halakhic tradition and whose Guide for the Perplexed offered the deepest medieval Jewish engagement with Greek and Arabic philosophy.FiguresMedieval

Martin LutherGerman Augustinian friar and theologian (1483–1546) whose 1517 protest against indulgences began the Reformation, whose German Bible translation shaped the development of modern German, and whose theological doctrines of justification by faith, the bondage of the will, and the priesthood of all believers founded Lutheran Protestantism and reshaped Western Christianity.FiguresRenaissance

MonadologyLeibniz's 1714 short systematic statement of the mature metaphysics, presenting reality as composed of infinitely many simple, indivisible substances (monads) coordinated through pre-established harmony.Books

Natural TheologyThe discipline that seeks to establish or defend claims about God's existence, nature, and providence using reason alone, without appeal to revelation or sacred text.ConceptsCross-Era

Nicholas of CusaGerman cardinal, mathematician, and philosopher (1401–1464) whose Of Learned Ignorance applied Neoplatonic apophatic theology to the limits of human knowledge of God, whose conciliar diplomacy between Council of Basel and the Greek union shaped the late medieval church, and whose cosmology of the centerless infinite universe anticipated Copernicus, Galileo, and Bruno.FiguresRenaissance

Ontological ArgumentThe family of a priori arguments for God's existence that proceed from the concept of God alone, originating with Anselm's 1078 Proslogion and continuously contested across the rationalist, Kantian, and contemporary analytic traditions.ConceptsCross-Era

Original SinThe Christian doctrine that human nature is wounded by inherited disorder transmitted from the fall of Adam, leaving the will divided against itself and unable consistently to will the good without grace.ConceptsCross-Era

Problem of EvilThe apparent inconsistency between the existence of suffering in the world and the existence of an omnipotent, omniscient, perfectly good God — the most-discussed single argument against theism, with major formulations from Epicurus through Hume and the contemporary analytic literature.ConceptsCross-Era

Pseudo-Dionysius the AreopagiteAnonymous late fifth- or early sixth-century theologian (fl. c. 500) writing under the pseudonym of the Athenian convert of Paul (Acts 17:34), whose Corpus Areopagiticum integrated Proclean Neoplatonism with Christian doctrine, founded systematic apophatic theology in the Christian West, and shaped medieval mysticism and Scholastic angelology.FiguresLate Antiquity

RationalismThe early modern tradition (Descartes, Spinoza, Leibniz) holding that substantive knowledge of the world is available through reason alone, independently of experience.TraditionsEarly Modern

ScholasticismThe medieval method of philosophical and theological inquiry through structured disputation — stating a thesis, marshaling objections, giving a determination, responding to each objection.TraditionsMedieval

Søren KierkegaardThe Danish philosopher and theologian whose pseudonymous works on anxiety, despair, faith, and the existing individual founded the existentialist tradition and reshaped Christian theology.Figures19th Century

TertullianCarthaginian Latin Christian writer (c. 155–220) who composed the first major body of Latin Christian literature, established the Latin theological vocabulary later adopted by Augustine and the Council of Nicaea, and whose later turn to the Montanist movement put him outside the catholic mainstream while his earlier work shaped it permanently.FiguresLate Antiquity

The Gospel of JohnThe text whose opening identified its subject with the logos of Greek philosophy, making Christian theology a subject for philosophical argument.Books

The Myth of SisyphusCamus's 1942 philosophical essay on the absurd, opening with the famous claim that there is but one truly serious philosophical problem (suicide) and developing the substantial ethic of lucid revolt that became the canonical mid-century articulation of the absurdist response to a post-religious condition.Books

The Problems of PhilosophyRussell's 1912 introduction to philosophy, written for a general audience, that established the British analytic approach to questions of knowledge, perception, induction, universals, and the limits of human cognition.Books

TheodicyThe attempt to reconcile the existence of an all-good, all-powerful God with the existence of evil and suffering.Concepts

TrinityThe central Christian doctrine that the one God exists as three coequal, coeternal persons (Father, Son, and Holy Spirit), articulated at the Councils of Nicaea (325) and Constantinople (381) and continuously contested across the patristic, medieval, and modern theological traditions.ConceptsLate Antiquity

William of OckhamThe English Franciscan philosopher whose nominalism, methodological parsimony, and theological voluntarism made him the most influential late-medieval scholastic and a major preparatory figure for early-modern empiricism.FiguresMedieval