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…
LogicPREDICATE CALCULUS (PREDICATE LOGIC)
November 15, 2023

PREDICATE CALCULUS (PREDICATE LOGIC)

The next development of the propositional calculus is the predicate calculus. This considers the logical relationships that hold between predicate expressions, along with the quantifiers ∃x (“there is at least…
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,…
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…
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…
History Of PhilosophyCLASSICAL PHILOSOPHYPLATO
November 15, 2023

PLATO

Plato (427–347 BC) was born into a powerful family in Athens but abandoned politics after the execution of his teacher, Socrates; he subsequently traveled, became influenced by the Pythagoreans, and…
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…
LogicNON-CLASSICAL LOGIC
November 15, 2023

NON-CLASSICAL LOGIC

While both the predicate calculus and the modal propositional calculus may be seen as extensions of the basic propositional calculus, there are also a variety of formal languages intended as…
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…
PHILOSOPHICAL BOOKS AND TEXTINTRODUCTORY LOGIC TEXTS
November 27, 2023

INTRODUCTORY LOGIC TEXTS

There are some fairly firm distinctions between critical thinking and formal (symbolic) logic texts. Whereas critical thinking focuses broadly on argumentation, formal logic is the study of the principles of…
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.
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…
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
History Of PhilosophyPYTHAGOREANISM
November 15, 2023

PYTHAGOREANISM

Based on the teachings of Pythagoras (c. 570–495 BC) and the school he established inCroton in southern Italy, we may conclude that, in many ways, Pythagoreanism was more ofa mystery…
CLASSICAL PHILOSOPHYHistory Of PhilosophyCYNICISM
November 15, 2023

CYNICISM

Founded by Antisthenes (c. 445–360 BC), who taught the importance of individual virtue over material luxury, Cynicism was contemptuous of political institutions and organized religion. It rejected refined philosophical speculation…

Books

  • 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
  • Self-Reliance and Other Essays

    $3.95
  • The Marxification of Education: Paulo Freire’s Critical Marxism and the Theft of Education

    $17.24
  • Pragmatism (Philosophical Classics)

    $6.95
  • Discourse on Sciences and Arts

    $6.99
  • Comfortable with Uncertainty: 108 Teachings on Cultivating Fearlessness and Compassion

    $14.26
  • Empathy, Sociality, and Personhood: Essays on Edith Stein’s Phenomenological Investigations (Contributions to Phenomenology, 94)

    $129.99
  • The Vision of the Soul: Truth, Goodness, and Beauty in the Western Tradition

    $27.08
  • Manifesto for Philosophy: Followed by Two Essays: “the (Re)Turn of Philosophy Itself” and “Definition of Philosophy” (Suny Series, Intersections, Philosophy and Critical Theory)

    $31.95
  • An Autobiography or The story of my experiments with truth

    $15.00
  • God Can’t: How to Believe in God and Love after Tragedy, Abuse, and Other Evils

    $19.99
  • Profiles in Courage (Harper Perennial Modern Classics)

    $11.99
  • The Deepest Human Life: An Introduction to Philosophy for Everyone

    $16.00

The Atomos Blog

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
Philosophy of Mind: An IntroductionAtomosPHILOSOPHY OF MIND

Philosophy of Mind: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Philosophy of Technology: An IntroductionAtomosPHILOSOPHY OF TECHNOLOGY

Philosophy of Technology: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026
Environmental Philosophy: An IntroductionAtomosENVIRONMENTAL PHILOSOPHY

Environmental Philosophy: An Introduction

Atomos EditorAtomos EditorJanuary 10, 2026

Terms & Concepts

E

Empiricism

The philosophical view that knowledge is derived from sense experience. https://youtube.com/shorts/Vd9QVKrFh3E?feature=share
A

Argument from design

An argument that attempts to prove God’s existence from the uniformity, or apparent design, of nature. Since the universe looks as if it has been designed, and that which is…
I

Idealism

The view that only mental entities are real https://youtube.com/shorts/ktW2Kvg64To?feature=share
L
Logical equivalence (logically equivalent statements)
E
Eudaimonia
U
Upanishads
I
Informal proof
R
Rationalism
G
Grue Paradox
A
Ahimsa
A
Atomic sentence
P
Physicalism
View All