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Logic
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…
WHAT IS 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…
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…
PHILOSOPHICAL BOOKS AND TEXT
November 27, 2023

ESSENTIAL READING IN THE HISTORY OF PHILOSOPHY

A comprehensive list of essential readings in the history of philosophy.
NON-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…
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…
Modern Branches of PhilosophyPhilosophy Branches
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…
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.
History Of PhilosophyNON-WESTERN PHILOSOPHICAL TRADITIONS
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…
Writing Philosophy
November 21, 2023

ESSENTIAL WRITING SKILLS

Having just walked through the basic process of writing a philosophy paper, we turn now to the essential skillset you should develop and apply not only to the writing of…
History Of PhilosophyMEDIEVAL PHILOSOPHY
November 15, 2023

SAINT AUGUSTINE

Like his contemporaries, Saint Augustine (354–430) was primarily influenced by Neoplatonism, and, indeed, credited Plotinus with helping him to understand Christian theology.
Modern Branches of PhilosophyPhilosophy Branches
November 14, 2023

PHILOSOPHY OF MATHEMATICS

The philosophy of mathematics is traditionally concerned with the ontological and epistemological foundations of mathematics. The two questions, of ontology and epistemology, are intimately related, as a satisfactory account of…
Logic
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
FORMS OF PHILOSOPHICAL WRITINGWriting Philosophy
November 20, 2023

THE ESSAY OF REFUTATION

The essay of refutation takes the position “I disagree.” Its objective is to persuade the reader that the argument of another is false, flawed, unlikely, implausible, or in some other…
History 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…

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  • Duns Scotus – Philosophical Writings: A Selection

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  • The French Art of Living Well: Finding Joie de Vivre in the Everyday World

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Terms & Concepts

G

Gödel’s Incompleteness Theorems

For any axiomatic theory (including axiomatizations of arithmetic), there will be a sentencein the language of the theory that cannot be proved. Such a sentence may be either a true…
C

Coherence theory of truth

The theory that a statement or a belief is true if and only if it coheres with a specified system of statements or beliefs. https://youtube.com/shorts/nT7m_JHd2XQ?feature=share
P

Propensity

An irregular (usually probabilistic) disposition of an object or system to produce some result;for example, a tossed coin has a propensity of 0.5 to land heads. https://youtube.com/shorts/PBadRSAW00o?feature=share
M
Modus tollens
P
Possible world
F
First-order contradiction
E
Eliminative materialism
B
Boolean connectives (Boolean operators)
E
Empirical
M
Matter of fact
V
Veil of ignorance
I
Inference
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