History Of PhilosophyCLASSICAL PHILOSOPHY
November 15, 2023

CLASSICAL PHILOSOPHY

The Classical Period in philosophy was dominated by the teachings of Plato (427–347 BC) and Aristotle (384–322 BC) but gradually fell into a decline following the conquest of the independent…
LogicMANY-VALUE LOGICS
November 15, 2023

MANY-VALUE LOGICS

In the classical logics already discussed, the logical connectives are taken to be bivalent—that is, they allow of only two different truth values: true and false. One natural extension to…
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…
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…
CONTINENTAL PHILOSOPHYHistory Of PhilosophyTHE FRANKFURT SCHOOL
November 15, 2023

THE FRANKFURT SCHOOL

A group of philosophers, cultural critics, and social scientists based around the Frankfurt (Germany) Institute for Social Research were primarily concerned with integrating philosophical analysis with then-recent results in the…
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…
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…
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…
Modern Branches of PhilosophyPhilosophy BranchesBIOETHICS
November 14, 2023

BIOETHICS

A branch of ethics concerned with the moral and political issues raised by medical science, and with advances in medical technology, bioethics has now become a largely autonomous area of…
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…
WHAT IS PHILOSOPHY?PHILOSOPHY AS METHOD
November 12, 2023

PHILOSOPHY AS METHOD

Our digital age suggests a useful analogy to further explain the role of philosophy in intellectual life. Philosophy is analogous to an operating system (OS), a software platform that enables…
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…
PHILOSOPHICAL BOOKS AND TEXTCRITICAL THINKING AND LOGIC TEXTBOOKS
November 27, 2023

CRITICAL THINKING AND LOGIC TEXTBOOKS

Textbooks on critical thinking and logic.
PHILOSOPHICAL BOOKS AND TEXTESSENTIAL READING IN THE HISTORY OF PHILOSOPHY
November 27, 2023

ESSENTIAL READING IN THE HISTORY OF PHILOSOPHY

A comprehensive list of essential readings in the history of philosophy.
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…

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Terms & Concepts

P

Proof by cases

A proof strategy whereby a conclusion is proved from a disjunction. (See also Disjunction elimination.) https://youtube.com/shorts/JZ_RCMpCjsU?feature=share
E

Epistemology

The branch of philosophy concerned with the nature, limits, sources, and justifications of human knowledge. https://youtube.com/shorts/68M4peZrQOY?feature=share
I

Intension

The meaning of an expression, as opposed to its extension (the set of things to which itapplies). The intension of a declarative sentence is usually taken to be a proposition.Expressions…
C
Consequent
E
External meaning
L
Logos
M
Mimesis
T
Thick concept
D
Disjunction introduction
T
Tarski’s T-Schema
C
Cause-of-itself (causa sui)
S
Strawman
View All