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…
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…
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…
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…
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,…
Writing PhilosophyTHE PHILOSOPHICAL WRITING PROCESS
November 22, 2023

THE PHILOSOPHICAL WRITING PROCESS

Writing is work, and for many of us, writing is hard work. Writing philosophy adds to this labor an element of intimidation. Whether you are writing an expository—explanatory and descriptive—essay…
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…
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.
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.
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…
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…
PHILOSOPHICAL BOOKS AND TEXTCRITICAL THINKING AND LOGIC TEXTBOOKS
November 27, 2023

CRITICAL THINKING AND LOGIC TEXTBOOKS

Textbooks on critical thinking and logic.
History Of PhilosophyANALYTIC PHILOSOPHYORDINARY LANGUAGE PHILOSOPHY
November 15, 2023

ORDINARY LANGUAGE PHILOSOPHY

Between the 1940s and the 1960s, analytic philosophy shifted away from investigating the (supposed) underlying logical structure of language. While it was still primarily concerned with conceptual analysis, this was…
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…
FORMS OF PHILOSOPHICAL WRITINGWriting PhilosophyTHE POSITION PAPER
November 19, 2023

THE POSITION PAPER

A position paper may be viewed as a type of argumentative paper in that it states a claim—your position—concerning a topic, issue, or question and presents a justification for that…

Books

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

    $27.89
  • Vida contemplativa: Elogio de la inactividad / Contemplative Life: A Praise to I dleness (Spanish Edition)

    $17.95
  • The Courage to Be Happy: Discover the Power of Positive Psychology and Choose Happiness Every Day

    $15.89
  • The ethics of ambiguity;

    $158.00
  • Courage Is Calling: Fortune Favors the Brave (The Stoic Virtues Series)

    $14.29
  • On the Shortness of Life

    $13.99
  • Decoding Jung’s Metaphysics: The Archetypal Semantics of an Experiential Universe

    $19.95
  • The Mastery of Self: A Toltec Guide to Personal Freedom (Toltec Mastery Series)

    $10.79
  • Phenomenology (The MIT Press Essential Knowledge series)

    $15.95
  • The Art of Happiness: A Handbook for Living

    $9.99
  • Gratitude

    $12.95
  • Foucault: A Very Short Introduction (Very Short Introductions)

    $11.85
  • When Things Fall Apart: Heart Advice for Difficult Times

    $7.64
  • An Unlikely Guru: How a Neurotic Jewish Real Estate Developer from New Jersey Found Enlightenment (And How You Can, Too)

    $17.99
  • Pragmatism as Anti-Authoritarianism

    $19.95
  • The Metaphysical Thought of Thomas Aquinas: From Finite Being to Uncreated Being (Monographs of the Society for Medieval and Renaissance Philosophy, 1)

    $42.96

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

P

Premise

The statement that supports or provides a reason to believe the conclusion of an argument.The premises begin the argument. https://youtube.com/shorts/8xvE33kCrGk?feature=share
M

Major premise

In a standard-form categorical syllogism, the premise that contains the major term. It is the premise that appears first. (See also Categorical syllogism and Standard form.) https://youtube.com/shorts/NungjsSU_sI?feature=share
S

Semantic theory of truth

1) A formal mathematical theory that defines truth in terms of set theory and satisfaction,with truth taken to be a property of sentences; commonly associated with the work of AlfredTarski…
S
Social contract
S
Slave morality
I
Invalid
PHIOLOSOPHICAL TERMS AND CONCEPTS
PHIOLOSOPHICAL TERMS AND CONCEPTS
A
Analytic truth
E
Essence (or an essential property)
P
Principle of equality
A
Anarchism
D
Dutch Book Theorem
View All