CLASSICAL PHILOSOPHYHistory Of PhilosophySKEPTICISM (PYRRHONISM)
November 15, 2023

SKEPTICISM (PYRRHONISM)

Pyrrhonian Skepticism was founded by Pyrrho of Elis (c. 360–275 BC), who argued that knowledge is impossible. The Skeptics proposed various arguments for their conclusions, including Platonic doubts about the…
Traditional Branches of PhilosophyPhilosophy BranchesEPISTEMOLOGY
December 12, 2023

EPISTEMOLOGY

Epistemology is the study of knowledge, including its nature and its extent, and of justification (that is, whether a belief is formed in a valid way to justify its being…
Writing PhilosophyWRITING IS CENTRAL TO PHILOSOPHY
November 24, 2023

WRITING IS CENTRAL TO PHILOSOPHY

For the great majority of us, writing is instrumental to thinking. Since it is reasonable to describe philosophy as the application of disciplined thought to a variety of topics, issues,…
LogicMODAL LOGIC
November 15, 2023

MODAL LOGIC

A common extension to the standard formal languages outlined above is to introduce the technical machinery required to evaluate natural language arguments containing modal terminology (that is, talk of possibility…
Writing PhilosophyGOOD PHILOSOPHICAL WRITING
November 23, 2023

GOOD PHILOSOPHICAL WRITING

BASICS OF GOOD PHILOSOPHICAL WRITING: A DEEPER DIVE Having surveyed the elements of good writing from 30,000 feet, let’s swoop in on some of the most important specifics. This means…
History Of PhilosophyANALYTIC PHILOSOPHYLOGICAL POSITIVISM
November 15, 2023

LOGICAL POSITIVISM

Originally founded by Auguste Comte (1798–1857), Positivism was primarily a view about science. Influenced by Immanuel Kant’s (1724-1804) assertion that knowledge of things-inthemselves was impossible, Comte argued that our scientific…
History Of PhilosophyTHE PRE-SOCRATICS
November 15, 2023

THE PRE-SOCRATICS

The origins of Western philosophy are usually attributed to Thales of Miletus (fl. sixth century BC), who taught that “everything was made of water” and thus that the universe, all…
WHAT IS PHILOSOPHY?WHAT IS PHILOSOPHY?
November 12, 2023

WHAT IS PHILOSOPHY?

LogicHIGHER-ORDER LOGICS
November 15, 2023

HIGHER-ORDER LOGICS

The language sketched above is better referred to as first-order predicate calculus, as the language only quantifies over (first-order) individuals. A stronger language, second-order predicate calculus, can therefore be constructed…
THE EARLY MODERN PERIODHistory Of PhilosophyLIBERALISM
November 15, 2023

LIBERALISM

A political philosophy whose central claim is that a government’s authority is justified only insofar as it secures the liberty of its subjects, Liberalism is generally traced to John Locke…
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…
CONTINENTAL PHILOSOPHYHistory Of PhilosophyPHENOMENOLOGY
November 15, 2023

PHENOMENOLOGY

As originally developed by Edmund Husserl (1859–1938), phenomenology seeks to provide a detailed description of the way in which things are presented to us—that is to say, phenomena —in an…
POST-KANTIAN PHILOSOPHYHistory Of PhilosophyPRAGMATISM
November 15, 2023

PRAGMATISM

Pragmatism was a philosophical movement in the United States concerned with the relationship between abstract theory and practical activity, and with the value of philosophical reflection.
Philosophy BranchesBRANCHES OF PHILOSOPHY
December 12, 2023

BRANCHES OF PHILOSOPHY

Philosophy embraces the most ambitious field of inquiry—the universe, including the self and everything both physical and metaphysical. It is impossible to list all the branches of philosophy, which are…
PHILOSOPHICAL BOOKS AND TEXTPHILOSOPHICAL BOOKS AND TEXT
November 23, 2023

PHILOSOPHICAL BOOKS AND TEXT

ESSENTIAL READING IN THE HISTORY OF PHILOSOPHY BOOKS TO GUIDE NOVICE PHILOSOPHY STUDENTS INTRODUCTORY PHILOSOPHY TEXTS GUIDES TO PHILOSOPHICAL WRITING INTRODUCTORY LOGIC TEXTS CRITICAL THINKING AND LOGIC TEXTBOOKS

Books

  • Songs of Kabir

    $5.61
  • Tao Te Ching: The Definitive Edition

    $16.95
  • Tao for Now: Wisdom of the Watercourse

    $18.95
  • The Philosophers’ Library: Books that Shaped the World (Liber Historica)

    $23.80
  • Nihilism: The Root of the Revolution of the Modern Age

    $14.95
  • Meditations and Other Metaphysical Writings (Penguin Classics)

    $11.19
  • Las 48 leyes del poder (Spanish Edition)

    $16.99
  • Pensees

    $7.95
  • History of Christian Philosophy in the Middle Ages

    $89.99
  • Islamic Thought: An Introduction

    $48.95
  • First Principles

    $11.99
  • Henry at Work: Thoreau on Making a Living

    $19.99
  • On Liberty

    $8.99
  • How Not to Be Wrong: The Power of Mathematical Thinking

    $11.49
  • The Archaeology of Knowledge: And the Discourse on Language

    $14.13
  • What We Owe the Future

    $15.99

The Atomos Blog

Can Math Prove Its Own Sanity? — A Deep Dive into Artemov’s Landmark PaperProof TheoryUncategorized

Can Math Prove Its Own Sanity? — A Deep Dive into Artemov’s Landmark Paper

Philosophy StudentPhilosophy StudentApril 14, 2026
Philosophy of Law: An IntroductionAtomosPHILOSOPHY OF LAW

Philosophy of Law: An Introduction

Philosophy StudentPhilosophy StudentJanuary 10, 2026
Aesthetics: An IntroductionAESTHETICSAtomos

Aesthetics: An Introduction

Philosophy StudentPhilosophy StudentJanuary 10, 2026
Epistemology: An IntroductionAtomosEPISTEMOLOGY

Epistemology: An Introduction

Philosophy StudentPhilosophy StudentJanuary 10, 2026
Ethics: An IntroductionAtomosETHICS

Ethics: An Introduction

Philosophy StudentPhilosophy StudentJanuary 10, 2026
Logic: An IntroductionAtomosLOGIC

Logic: An Introduction

Philosophy StudentPhilosophy StudentJanuary 10, 2026
Metaphysics: An IntroductionAtomosMETAPHYSICS

Metaphysics: An Introduction

Philosophy StudentPhilosophy StudentJanuary 10, 2026

Terms & Concepts

E

Ethical absolutism

The view that there is one, and only one, morality. https://youtube.com/shorts/AVyz_ZzeQm0?feature=share
V

VirtueExcellence

—character that either is essential to happiness or wills what is morally obligated (not because it brings happiness). (See also Arête.) https://youtube.com/shorts/iEZvNd5pq7U?feature=share
B

Bad faith

The refusal to accept responsibility for one’s freedom and, therefore, also for one’s choices. The term comes from the twentieth-century existentialist Jean-Paul Sartre. https://youtube.com/shorts/U0965UIQpjU?feature=share
T
Truth-functional connective
T
Tautological consequence
P
Polytheism
C
Coherence
C
Contingent truth
P
Pantheism
P
Principle of equal liberty
N
Nirvana
A
Axiom
View All