Traditional Branches of PhilosophyPhilosophy BranchesLOGIC
December 12, 2023

LOGIC

Logic is concerned with studying the inferences we make, and the formal languages developed to systematize those inferences. This includes both the proof-theories and semantics for these languages, as well…
Traditional Branches of PhilosophyPhilosophy BranchesAESTHETICS
December 12, 2023

AESTHETICS

Aesthetics is concerned with the nature of art (whether visual, literary, dramatic, or in some other medium) and the way in which art is experienced. Two principal related issues, therefore,…
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.
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…
FORMS OF PHILOSOPHICAL WRITINGTHE ESSAY OF AFFIRMATION
November 20, 2023

THE ESSAY OF AFFIRMATION

The essay of affirmation takes the position I agree. If you want to write an essay agreeing with—affirming—the ideas of another, such as a philosopher, a simple statement of agreement…
NON-WESTERN PHILOSOPHICAL TRADITIONSHistory Of PhilosophyMIDDLE EASTERN TRADITIONS
November 15, 2023

MIDDLE EASTERN TRADITIONS

As the Middle East is often called the cradle of civilization, it is also the source of some of the earliest philosophical literature. Much of it is devoted to what…
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 PhilosophyTRANSCENDENTAL IDEALISM
November 15, 2023

TRANSCENDENTAL IDEALISM

The philosophical system developed by Immanuel Kant (1724–1804), Transcendental Idealism sought to overcome the epistemological problems of Empiricism while providing a rational justification for Liberalism.
PHILOSOPHICAL BOOKS AND TEXTBOOKS TO GUIDE NOVICE PHILOSOPHY STUDENTS
November 27, 2023

BOOKS TO GUIDE NOVICE PHILOSOPHY STUDENTS

This list is aimed at curating those texts that will both challenge a novice researcher, and continually reward repeated encounters as you develop your philosophical interests.
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…
CONTINENTAL PHILOSOPHYHistory Of PhilosophyCONTINENTAL PHILOSOPHY IN THE TWENTIETH CENTURY
November 15, 2023

CONTINENTAL PHILOSOPHY IN THE TWENTIETH CENTURY

While the focus of western philosophy has primarily been on the analysis and understanding of our most basic concepts, another important theme has been the preparation and education of man…
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…
LogicQUANTUM LOGIC
November 15, 2023

QUANTUM LOGIC

Most non-classical logics are motivated by either philosophical considerations, such as the metaphysical status of the future, or technical concerns about the neutrality of the logical connectives or the notion…
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…

Books

  • Zen Mind, Beginner’s Mind: 50th Anniversary Edition

    $10.39
  • The Temptation to Exist

    $14.95
  • The Oxford Handbook of Philosophy of Mind (Oxford Handbooks)

    $65.00
  • The No Self, No Problem Workbook: Exercises & Practices from Neuropsychology and Buddhism to Help You Lose Your Mind (The No Self Wisdom Series)

    $0.99
  • Walden: The Original 1854 Edition (A Henry David Thoreau Classics)

    $8.97
  • No Death, No Fear: Comforting Wisdom for Life

    $14.65
  • The Doctor and the Soul: From Psychotherapy to Logotherapy

    $17.00
  • Assholes: A Theory

    $17.00
  • The Imaginary: A Phenomenological Psychology of the Imagination (Routledge Classics)

    $160.00
  • Fooled by Randomness: The Hidden Role of Chance in Life and in the Markets (Incerto)

    $15.19
  • Living Across and Through Skins: Transactional Bodies, Pragmatism, and

    $22.00
  • Black Minded: The Political Philosophy of Malcolm X (Black Critique)

    $29.95
  • Secrets of the Mind: Ralph Waldo Emerson’s Keys to Expansive Mental Powers

    $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

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Philosophy of Law: An IntroductionAtomosPHILOSOPHY OF LAW

Philosophy of Law: An Introduction

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Aesthetics: An IntroductionAESTHETICSAtomos

Aesthetics: An Introduction

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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

A

a posteriori (always with lowercase a)

Literally, “after experience.” It is often intended in that way or as generally meaning that which is empirical, or with experience. (See Empirical.) https://youtube.com/shorts/SZUO-NscaA4?feature=share
C

Consistent

Non-contradictory principles or statements. https://youtube.com/shorts/V2VH7P0Xw8s?feature=share
C

Correspondence theory of truth

The theory that the truth of a statement is its correspondence to facts or states of affairs. https://youtube.com/shorts/_xvfHR9qmp0?feature=share
C
Certainty
P
Pantheism
S
Strong argument
M
Mixed quantifiers
A
Antecedent
T
Tautological equivalence
S
Semantic holism
I
Impression
P
Principle of universal causation
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