Skip to main content
search
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…
CONTINENTAL PHILOSOPHYHistory Of Philosophy
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…
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…
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…
Writing Philosophy
November 23, 2023

GOOD PHILOSOPHICAL WRITING

BASICS OF GOOD PHILOSOPHICAL WRITING: A DEEPER DIVE Having surveyed the elements of good writing from 30,000 feet, let’s swoop in on some of the most important specifics. This means…
FORMS OF PHILOSOPHICAL WRITINGWriting Philosophy
November 19, 2023

THE EXPOSITORY PAPER

We have already touched on the expository paper, but let’s discuss it briefly here. Look at the adjective expository. It is derived from the noun exposition, which is the noun…
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…
Writing 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…
WHAT IS PHILOSOPHY?
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…
NON-WESTERN PHILOSOPHICAL TRADITIONSHistory Of Philosophy
November 15, 2023

MIDDLE EASTERN TRADITIONS

As the Middle East is often called the cradle of civilization, it is also the source of some of the earliest philosophical literature. Much of it is devoted to what…
Traditional Branches of PhilosophyPhilosophy Branches
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…
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…
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.
MEDIEVAL PHILOSOPHYHistory Of Philosophy
November 15, 2023

MEDIEVAL PHILOSOPHY

The Medieval Period is usually dated between the fall of the Western Roman Empire (476)and the beginning of the Renaissance (c. 1300). In terms of philosophy, the period begins inthe…
MEDIEVAL PHILOSOPHYHistory Of Philosophy
November 15, 2023

THOMISM

A school of thought based on the work of Saint Thomas Aquinas (1225–1274), Thomism is, like Scholasticism, principally concerned with metaphysics and understanding the attributes of God.

Books

  • Normativity and Agency: Themes from the Philosophy of Christine M. Korsgaard

    $90.00
  • Supporting Modern Teaching in Islamic Schools: Pedagogical Best Practice for Teachers

    $48.95
  • The Courage to Be Happy: Discover the Power of Positive Psychology and Choose Happiness Every Day

    $15.89
  • Intuition Pumps And Other Tools for Thinking

    $20.77
  • Sad Love: Romance and the Search for Meaning

    $14.79
  • Ideas: General Introduction to Pure Phenomenology

    $12.48
  • Self-Reliance and Other Essays (Dover Thrift Editions: Philosophy)

    $5.00
  • Dao De Jing in Clear English: Including a Step by Step Translation

    $14.95
  • Meditations – The Classical Translation by George Long (Reader’s Library Classics)

    $5.66
  • Everyday Emerson: A Year of Wisdom

    $19.99
  • Unidentified Flying Hyperobject: UFOs, Philosophy, and the End of the World

    $9.99
  • Stoicism and the Art of Happiness: Practical Wisdom for Everyday Life (Teach Yourself)

    $11.29
  • Crítica de la razón pura (Spanish Edition)

    $12.95
  • A History of Philosophy, Volume 3: Late Medieval and Renaissance Philosophy: Ockham, Francis Bacon, and the Beginning of the Modern World

    $15.41
  • Being and Time: A Revised Edition of the Stambaugh Translation (SUNY series in Contemporary Continental Philosophy)

    $24.95
  • Angels and Us

    $43.99

Terms & Concepts

B

Brentano’s Thesis

Named for Franz Brentano (1838-1917), this is the claim that since all and only mental phenomena are intentional (that is, they are about other things), the mental cannot be reduced…
I

Inference rule

In a formal system of logic, a principle whereby one statement is inferred from another or others; the logical rules by which validity is defined. https://youtube.com/shorts/IcuiD9lPVFg?feature=share
F

Faith

A belief (most commonly in God) absent rational reasons or even in direct opposition torationality. (Note that some have defended faith in God as rational.) https://youtube.com/shorts/wNE4RcMS-0E?feature=share
I
Inclusive disjunction
N
Necessary truth
Q
Quantified statement
A
a posteriori (always with lowercase a)
A
Appeal to unqualified authority
B
Bad faith
D
Duhem-Quine Thesis
B
Belief
C
Cosmological argument
View All