Philosophy BranchesTraditional Branches of PhilosophyPHILOSOPHY OF LAW
December 12, 2023

PHILOSOPHY OF LAW

The philosophy of law is concerned with all aspects of theoretical reflection on laws and legal systems and therefore encompasses historical and sociological studies in addition to the philosophical questions…
Philosophy BranchesTraditional Branches of PhilosophyNATURAL PHILOSOPHY
December 12, 2023

NATURAL PHILOSOPHY

An important historical branch designation rather than a current one, natural philosophy was the study of nature and the physical universe by philosophical (that is, largely empirical reason-based) methods.
History Of PhilosophyANALYTIC PHILOSOPHYORDINARY LANGUAGE PHILOSOPHY
November 15, 2023

ORDINARY LANGUAGE PHILOSOPHY

Between the 1940s and the 1960s, analytic philosophy shifted away from investigating the (supposed) underlying logical structure of language. While it was still primarily concerned with conceptual analysis, this was…
PHILOSOPHICAL BOOKS AND TEXTINTRODUCTORY PHILOSOPHY TEXTS
November 27, 2023

INTRODUCTORY PHILOSOPHY TEXTS

There is no substitute for grappling primary sources. Nevertheless, secondary sources—including scholarly research, literary reviews, historical summaries—are valuable tools. They not only show you how you can begin thinking about…
CLASSICAL PHILOSOPHYHistory Of PhilosophySTOICISM
November 15, 2023

STOICISM

Founded by Zeno of Citium (334–262 BC), early Stoicism shared many similarities with Epicureanism, including the belief that the world was largely deterministic and that the overall goal of the…
NON-WESTERN PHILOSOPHICAL TRADITIONSHistory Of PhilosophyINDIAN PHILOSOPHY
November 15, 2023

INDIAN PHILOSOPHY

Philosophy on the Indian subcontinent between 1000 BC and the early centuries of the first millennium was comprised of six major schools of Hindu philosophy (Nyaya, Vaisheshika, Samkhya, Yoga, Mimamsa,…
LogicINTUITIONISM
November 15, 2023

INTUITIONISM

One of the most familiar non-classical logics is intuitionism, which, in simple terms, is based upon the rejection of the law of excluded middle: (P ∨ ¬P). There are both…
History Of PhilosophyTHE SOPHISTS
November 15, 2023

THE SOPHISTS

The Sophists were not a single school but a professional grouping of largely itinerant teachers of rhetoric, philosophy, and legal argumentation. Their importance lies not in any specific doctrines but…
LogicRELEVANCE LOGICS
November 15, 2023

RELEVANCE LOGICS

A relevance logic is motivated by the idea that the premises of a valid argument must be somehow “relevant” to its conclusion. The idea is motivated by the fact that…
Writing PhilosophyWRITING PHILOSOPHY
November 24, 2023

WRITING PHILOSOPHY

How Do You Do Philosophy? Writing Is Central To Philosophy What Philosophy Professors Want From Student Writers What Is Good Writing? What Is Good Philosophical Writing? Grading Criteria for Philosophy…
PHILOSOPHICAL BOOKS AND TEXTESSENTIAL READING IN THE HISTORY OF PHILOSOPHY
November 27, 2023

ESSENTIAL READING IN THE HISTORY OF PHILOSOPHY

A comprehensive list of essential readings in the history of philosophy.
Writing PhilosophyWHAT IS GOOD PHILOSOPHICAL WRITING?
November 24, 2023

WHAT IS GOOD PHILOSOPHICAL WRITING?

Writing effectively for a philosophy course does not merely start with the general principles of good writing just outlined, it sets out to show mastery of these principles. It embodies…
THE EARLY MODERN PERIODWHAT IS PHILOSOPHY?EMPIRICISM
November 15, 2023

EMPIRICISM

Empiricism covers a range of views prioritizing experience as the primary source of knowledge. During the Early Modern Period, this view was expounded by the so-called British Empiricists—Locke, Berkeley, and…
LogicPROPOSITIONAL CALCULUS (PROPOSITIONAL LOGIC)
November 15, 2023

PROPOSITIONAL CALCULUS (PROPOSITIONAL LOGIC)

The simplest formal (logical) language is the propositional calculus. This considers the logical relationships that hold between complete propositions.
WHAT IS PHILOSOPHY?PHILOSOPHY AS METHOD
November 12, 2023

PHILOSOPHY AS METHOD

Our digital age suggests a useful analogy to further explain the role of philosophy in intellectual life. Philosophy is analogous to an operating system (OS), a software platform that enables…

Books

  • Philosophical Devices: Proofs, Probabilities, Possibilities, and Sets

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  • The Landmark Herodotus: The Histories (Landmark Series)

    $16.32
  • Brutalism (Theory in Forms)

    $25.95
  • Zen and the Art of Motorcycle Maintenance: An Inquiry into Values

    $22.79
  • Raja Yoga or Conquering the Internal Nature

    $5.95
  • The Philosophy of Spinoza – Special Edition: On God, On Man, and On Man’s Well Being

    $18.20
  • Games: Agency As Art (Thinking Art)

    $44.99
  • Logical Investigations, Vol. 1 (International Library of Philosophy)

    $37.10
  • Be Stoic, Be Happy: A Simple Guide to Living a Happier Life

    $12.99
  • Pensées (Penguin Classics)

    $13.00
  • Formative Early Writings by Karl Marx: A Criticism of Hegel’s Philosophy of Right, On the Jewish Question, Theses on Feuerbach, The German Ideology, The 18th Brumaire of Louis-Napoleon and Preface to the Critique of Political Economy

    $14.69
  • Intuition Pumps And Other Tools for Thinking

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  • Biocentrism: How Life and Consciousness are the Keys to Understanding the True Nature of the Universe

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  • This Is Water: Some Thoughts, Delivered on a Significant Occasion, about Living a Compassionate Life

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  • Aquinas and Modern Science: A New Synthesis of Faith and Reason

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  • On Liberty

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Reexamining Spacetime Substantivalism: A Critique of Modal Arbitrariness and Determinism in Teitel’s Framework

Reexamining Spacetime Substantivalism: A Critique of Modal Arbitrariness and Determinism in Teitel’s Framework

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Reexamining Spacetime Substantivalism: A Critique of Modal Arbitrariness and Determinism in Teitel’s FrameworkAtomos

Reexamining Spacetime Substantivalism: A Critique of Modal Arbitrariness and Determinism in Teitel’s Framework

Philosophy StudentPhilosophy StudentDecember 8, 2025
Rule-Following and Artificial Intelligence: A Kripkean PerspectiveAtomos

Rule-Following and Artificial Intelligence: A Kripkean Perspective

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The Eternal Coexistence of Consciousness and Spacetime: A Philosophical InquiryAtomos

The Eternal Coexistence of Consciousness and Spacetime: A Philosophical Inquiry

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Embracing Contradiction: An In-Depth Analysis of DialetheismAtomos

Embracing Contradiction: An In-Depth Analysis of Dialetheism

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Analysis of, and Responses to Edmund Gettier’s “Is Justified True Belief Knowledge?”Atomos

Analysis of, and Responses to Edmund Gettier’s “Is Justified True Belief Knowledge?”

Philosophy StudentPhilosophy StudentDecember 8, 2025
The Unstable Foundation: A Critique of the Ontological Proof of God’s ExistenceAtomos

The Unstable Foundation: A Critique of the Ontological Proof of God’s Existence

Philosophy StudentPhilosophy StudentDecember 8, 2025
Meta-Modal Actuality: A Dynamic Framework for Possibility, Actualization, and CausalityAtomos

Meta-Modal Actuality: A Dynamic Framework for Possibility, Actualization, and Causality

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Killing, Morality, and the Human Condition: A Philosophical InvestigationAtomos

Killing, Morality, and the Human Condition: A Philosophical Investigation

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The Intricacy of Existence: A Philosophical Exploration of Complexity, Contingency, and Divine AgencyAtomos

The Intricacy of Existence: A Philosophical Exploration of Complexity, Contingency, and Divine Agency

Philosophy StudentPhilosophy StudentDecember 8, 2025
The Ethics of Procreation and the Rational Acceptance of Life: A Critical Engagement with Weinberg’s ArgumentAtomos

The Ethics of Procreation and the Rational Acceptance of Life: A Critical Engagement with Weinberg’s Argument

Philosophy StudentPhilosophy StudentDecember 8, 2025
Imagination, Consciousness, and the Nature of the Soul: A Philosophical InquiryAtomos

Imagination, Consciousness, and the Nature of the Soul: A Philosophical Inquiry

Philosophy StudentPhilosophy StudentDecember 6, 2025
The Interplay of Karma, Rebirth, and Non-Self in Buddhist Philosophy: A Metaphysical InquiryAtomos

The Interplay of Karma, Rebirth, and Non-Self in Buddhist Philosophy: A Metaphysical Inquiry

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Metaphysical Perspectives: A Comparative Analysis of Theism and AtheismAtomos

Metaphysical Perspectives: A Comparative Analysis of Theism and Atheism

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The Infinite Universe, Death, and the Search for Meaning: A Philosophical Exploration of Existence, the Divine, and Human MortalityAtomos

The Infinite Universe, Death, and the Search for Meaning: A Philosophical Exploration of Existence, the Divine, and Human Mortality

Philosophy StudentPhilosophy StudentDecember 6, 2025
The Unconscious Artistry of Artificial Intelligence: A Modern Reflection on Spinoza’s God and the Blind WatchmakerAtomos

The Unconscious Artistry of Artificial Intelligence: A Modern Reflection on Spinoza’s God and the Blind Watchmaker

Philosophy StudentPhilosophy StudentDecember 6, 2025
The Ethics of Procreation and the Rational Acceptance of Life: A Critical Engagement with Weinberg’s Argument

The Ethics of Procreation and the Rational Acceptance of Life: A Critical Engagement with Weinberg’s Argument

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Terms & Concepts

F

Four Noble Truths

One of Buddha’s most significant teachings, namely the truth that there is suffering; the truththat suffering has a cause; the truth that suffering has an end; and the truth that…
L

Logical contradiction

A statement that is false in every possible circumstance. https://youtube.com/shorts/VCTsr4zpaTQ?feature=share
I

Immaterialism

The view that non-material entities are real. (See also Materialism.) https://youtube.com/shorts/TiZGjFImQpQ?feature=share
C
Causal theory of perception
I
Identity theory
C
Contraposition
I
Immoralist
P
Polytheism
B
Biconditional
P
Principle of equality
I
Internal meaning
B
Biconditional elimination
View All