CLASSICAL PHILOSOPHYHistory Of PhilosophyEPICUREANISM
November 15, 2023

EPICUREANISM

Founded by Epicurus (341–271 BC), this eponymous philosophy is best known through the Roman poet Lucretius (mid first century BC). Like the Atomists, the Epicureans maintained that everything is made…
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…
Modern Branches of PhilosophyPhilosophy BranchesPHILOSOPHY OF MATHEMATICS
November 14, 2023

PHILOSOPHY OF MATHEMATICS

The philosophy of mathematics is traditionally concerned with the ontological and epistemological foundations of mathematics. The two questions, of ontology and epistemology, are intimately related, as a satisfactory account of…
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…
Modern Branches of PhilosophyPhilosophy BranchesBIOETHICS
November 14, 2023

BIOETHICS

A branch of ethics concerned with the moral and political issues raised by medical science, and with advances in medical technology, bioethics has now become a largely autonomous area of…
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…
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…
Philosophy BranchesTraditional Branches of PhilosophyPOLITICAL PHILOSOPHY
December 12, 2023

POLITICAL PHILOSOPHY

Political philosophy is at least as old as Plato (428/227 or 424/423-348/347 BC) and is concerned with the nature of the state and, more broadly, with coercive institutions, and their…
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…
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…
ANALYTIC PHILOSOPHYHistory Of PhilosophyANALYTIC PHILOSOPHY IN THE TWENTIETH CENTURY
November 15, 2023

ANALYTIC PHILOSOPHY IN THE TWENTIETH CENTURY

The analytic tradition arose partly as a rejection of Hegelian idealism in favor of what George Edward Moore (1873–1958) called a “common sense” view of the world, alongside developments in…
WHAT IS PHILOSOPHY?WHAT IS THE “SUBJECT MATTER” OF PHILOSOPHY
November 12, 2023

WHAT IS THE “SUBJECT MATTER” OF PHILOSOPHY

“There is a common misunderstanding that philosophy—like chemistry or history—has a content to offer, a content that a teacher is to teach and a student is to learn,” writes Professor…
Writing PhilosophyHOW DO YOU DO PHILOSOPHY?
November 24, 2023

HOW DO YOU DO PHILOSOPHY?

How do you do philosophy? Unlike many of the questions asked in the name of philosophy, this one has a straightforward answer. You do philosophy primarily through writing. Now, if…
LogicBASIC LOGICAL SYMBOLS
November 15, 2023

BASIC LOGICAL SYMBOLS

¬ one-place logical connective read as “not” or as “is not the case” ~ alternative notation for “not” & two-place logical connective read as “and” ˄ and
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…

Books

  • The Metaphysics of Evolution: Evolutionary Theory in Light of First Principles

    $10.90
  • Humanly Possible

    $56.71
  • On Law, Morality, and Politics (Hackett Classics)

    $7.01
  • The Communist Manifesto (A Penguin Classics Hardcover)

    $22.00
  • God, Freedom, and Evil

    $15.00
  • Living from the Soul: The 7 Spiritual Principles of Ralph Waldo Emerson

    $16.99
  • The Four Chinese Classics: Tao Te Ching, Chuang Tzu, Analects, Mencius

    $24.95
  • Irrational Man: A Study in Existential Philosophy

    $12.95
  • The Manual: A Philosopher’s Guide to Life

    $9.99
  • The Meditations of the Emperor Marcus Aurelius Antonius

    $17.46
  • Determinism, Death, and Meaning (Routledge Studies in Metaphysics)

    $48.95
  • Stoic Meditations: The Daily Stoic Ways to Think Like a Roman Emperor – Meditations on Wisdom, Perseverance and the Art of Living (Mastering Stoicism)

    $13.95
  • A History of Philosophy, Volume 3: Late Medieval and Renaissance Philosophy: Ockham, Francis Bacon, and the Beginning of the Modern World

    $15.41
  • The Guide of the Perplexed, Vol. 2

    $37.62
  • Knowledge and Christian Belief

    $17.99
  • Mortgage Loan Officer Training: How to Master the Fundamentals of Building Your Mortgage Business: During a Recession in Less Than 30 Days Without … (How To Without Sticking A Fork In Your Eye)

    $9.99

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

Atomos EditorAtomos EditorJanuary 10, 2026
Philosophy of Science: An IntroductionAtomosPHILOSOPHY OF SCIENCE

Philosophy of Science: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Aesthetics: An IntroductionAESTHETICSAtomos

Aesthetics: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Epistemology: An IntroductionAtomosEPISTEMOLOGY

Epistemology: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Ethics: An IntroductionAtomosETHICS

Ethics: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Logic: An IntroductionAtomosLOGIC

Logic: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Metaphysics: An IntroductionAtomosMETAPHYSICS

Metaphysics: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Philosophy of History: An IntroductionAtomosPHILOSOPHY OF HISTORY

Philosophy of History: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Philosophy of Language: An IntroductionAtomosPHILOSOPHY OF LANGUAGE

Philosophy of Language: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026

Terms & Concepts

S

Sublime

Aesthetic experience associated with being overwhelmed—for example, in terms of size (the mathematically sublime) or in terms of power (the dynamically sublime). For Immanuel Kant(1724-1804), this involved the sensation that…
M

Myth of the given

Argument due to John Sellars against the traditional empiricist view that knowledge of the external world is inferred from immediately given sense data, on the grounds that any such sense…
N

Negation elimination

In symbolic logic, a valid inference in a system of truth-functional rules. This rule relies on the truth definition of the negation, where a doubly negated statement (¬¬P) is truth…
S
Strong argument
C
Consequentialism
A
Atman
D
Difference principle
A
Atheism
A
Assertion
T
Transcendental argument
R
Relativism
A
Assumptive proof
View All