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…
Writing PhilosophyWHAT PHILOSOPHY PROFESSORS WANT FROM STUDENT WRITERS
November 24, 2023

WHAT PHILOSOPHY PROFESSORS WANT FROM STUDENT WRITERS

Some 2,300 years ago, Aristotle introduced the syllogism into the intellectual world. A threeelement formula, it is the elementary building block of syllogistic logic and deductive reasoning. The syllogism combines…
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…
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…
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…
POST-KANTIAN PHILOSOPHYHistory Of PhilosophyPRAGMATISM
November 15, 2023

PRAGMATISM

Pragmatism was a philosophical movement in the United States concerned with the relationship between abstract theory and practical activity, and with the value of philosophical reflection.
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…
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…
History Of PhilosophyPOST-KANTIAN PHILOSOPHY IN THE NINETEENTH CENTURY
November 15, 2023

POST-KANTIAN PHILOSOPHY IN THE NINETEENTH CENTURY

Kant’s philosophy continued to dominate throughout the nineteenth century, although there were increasing concerns about the overall coherence of his system; in particular, there was doubt as to whether the…
WHAT IS PHILOSOPHY?WHAT IS PHILOSOPHY?
November 12, 2023

WHAT IS PHILOSOPHY?

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.
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…
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…
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…
NON-WESTERN PHILOSOPHICAL TRADITIONSNON-WESTERN PHILOSOPHICAL TRADITIONS
November 15, 2023

NON-WESTERN PHILOSOPHICAL TRADITIONS

As explained at the beginning of this chapter, this book is intended primarily for philosophy students, especially new philosophy students, whose focus is mainly or even exclusively on Western philosophical…

Books

  • Thus Spoke Zarathustra

    $14.99
  • The Visionaries: Arendt, Beauvoir, Rand, Weil, and the Power of Philosophy in Dark Times

    $18.79
  • Perceiving Purpose

    $18.07
  • Existential Rationalism: Handling Hume’s Fork (Unlock Tao)

    $14.95
  • An Introduction to the Principles of Morals and Legislation

    $11.95
  • UNDERSTANDING PHILOSOPHY: The Smart Student’s Guide to Reading and Writing Philosophy (Philosophy Study Guides)

    $9.95
  • The Dogma of Hell: Illustrated by Facts Taken From Profane and Sacred History

    $7.95
  • The Gay Science

    $21.53
  • The Socrates Express: In Search of Life Lessons from Dead Philosophers

    $12.91
  • Healing Love Through the Tao: Cultivating Female Sexual Energy

    $19.95
  • Woke, Inc.: Inside Corporate America’s Social Justice Scam

    $12.46
  • Fanged Noumena: Collected Writings 1987-2007

    $20.99
  • The Pig That Wants to Be Eaten: 100 Experiments for the Armchair Philosopher

    $15.05
  • Henry at Work: Thoreau on Making a Living

    $15.98
  • Anatomy of the Spirit: The Seven Stages of Power and Healing

    $10.99
  • Matter into Feeling: A New Alchemy of Science and Spirit

    $4.26

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Terms & Concepts

I

Inference

Also known as a conclusion, an inference is the result of an evidence-based reasoning process. https://youtube.com/shorts/jzHD58TKepI?feature=share
P

Property

A feature that inheres in a substance. https://youtube.com/shorts/ISJ1PQ24PuA?feature=share
E

External meaning

Meaning or purpose originating outside humanity. https://youtube.com/shorts/GKxNfL5KKBs?feature=share
C
Category mistake
D
Dualism
N
Natural kind
H
Hume’s fork
I
Inference rule
O
Obligation
I
Immaterialism
C
Complement
U
Unsound
View All