THE EARLY MODERN PERIODHistory Of PhilosophyTHE EARLY MODERN PERIOD
November 15, 2023

THE EARLY MODERN PERIOD

Philosophical thought during the Enlightenment was characterized by a rejection of existing sources of authority. The broadly Aristotelean scientific worldview was undermined by a period of scientific revolution—conventionally beginning with…
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…
POST-KANTIAN PHILOSOPHYHistory Of PhilosophyHEGELIANISM
November 15, 2023

HEGELIANISM

One common theme in post-Kantian philosophy was an attempt to overcome the remaining divisions between noumena and phenomena, and to reconcile the distinct faculties of sensibility and understanding in to…
Modern Branches of PhilosophyPhilosophy BranchesPHILOSOPHY OF LANGUAGE
November 14, 2023

PHILOSOPHY OF LANGUAGE

The study of natural languages is conventionally divided among questions of syntax, semantics, and pragmatics, all of which raise significant issues for the philosophy of language. In terms of syntax…
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…
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…
Philosophy BranchesTraditional Branches of PhilosophyPHILOSOPHY OF RELIGION
December 12, 2023

PHILOSOPHY OF RELIGION

Many religions distinguish between truths accessible through reason (natural theology), and truths accessible through faith (revealed theology). Both natural and revealed theology raise interesting philosophical questions about these two sources…
NON-WESTERN PHILOSOPHICAL TRADITIONSHistory Of PhilosophyAFRICAN PHILOSOPHY
November 15, 2023

AFRICAN PHILOSOPHY

The earliest indigenous African philosophy to produce written documents emerged during the seventeenth century, especially in Ethiopia. Zera Yacob (1599–1692), whose Hatata (1667) has been compared to René Descartes’ Discourse…
ANALYTIC PHILOSOPHYHistory Of PhilosophyLOGICAL ATOMISM
November 15, 2023

LOGICAL ATOMISM

Although mostly associated with the logical analysis of language, analytic philosophy began in the philosophy of mathematics. Working independently, both Gottlob Frege and Bertrand Russell pursued programs of reducing mathematics…
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.
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…
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…
PHILOSOPHICAL BOOKS AND TEXTCRITICAL THINKING AND LOGIC TEXTBOOKS
November 27, 2023

CRITICAL THINKING AND LOGIC TEXTBOOKS

Textbooks on critical thinking and logic.
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.
MEDIEVAL PHILOSOPHYHistory Of PhilosophySCHOLASTICISM
November 15, 2023

SCHOLASTICISM

A general term for those philosophers influenced by the medieval rediscovery of classic texts, Scholasticism is broadly characterized by an interest in logic and disputation and is motivated to resolve…

Books

  • Mulla Sadra and Metaphysics (Culture and Civilization in the Middle East)

    $64.95
  • Inner Engineering: A Yogi’s Guide to Joy

    $16.99
  • The Parent’s Tao Te Ching: Ancient Advice for Modern Parents

    $13.29
  • The Experience of Insight: A Simple and Direct Guide to Buddhist Meditation

    $16.95
  • The Marxification of Education: Paulo Freire’s Critical Marxism and the Theft of Education

    $17.24
  • Why Grow Up?: Subversive Thoughts for an Infantile Age

    $14.92
  • On Liberty

    $18.99
  • Transcendentalism Collection: Thoreau’s Walden, Walking & Civil Disobedience, Emerson’s Self-Reliance, Nature & The American Scholar, Bryant’s Thanatopsis, & Hawthorne’s Artist of the Beautiful

    $14.88
  • What the Buddha Taught: Revised and Expanded Edition with Texts from Suttas and Dhammapada

    $8.89
  • A Visual Theology Guide to the Bible: Seeing and Knowing God’s Word

    $27.89
  • The Trial and Death of Socrates

    $23.37
  • Metaphysics

    $7.99
  • Big Panda and Tiny Dragon Book Collection: Heartwarming Stories of Courage and Friendship for All Ages

    $40.00
  • Machiavelli: Selected Political Writings (Hackett Classics)

    $15.00
  • The Rebel

    $172.60
  • Forget Foucault, new edition (Semiotext(e) / Foreign Agents)

    $14.95

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

Equivocation

An informal fallacy constituted by a shift in the meaning of a term from one instance to another, which prompts an erroneous inference. (See also Ambiguity.) https://youtube.com/shorts/m5W52MwGQvg?feature=share
P

Proof by contradiction

A proof strategy whereby a statement’s negation is proved by assuming the statement is true.This assumption leads to a contradiction, which proves the assumption is false. (See also Negation introduction…
O

Original position

A hypothetical situation from which individuals are best positioned to make decisions about the principles of justice that will constitute a fair society. According to John Rawls (1921-2002), this will…
C
Conditional introduction (Conditional proof)
T
Thick concept
C
Causation (or causality)
R
Reductio ad absurdum
D
Dao
C
Categorical syllogism
D
Disjunct
A
Analects
V
Verisimilitude
View All