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…
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…
FORMS OF PHILOSOPHICAL WRITINGWriting PhilosophyTHE EXPOSITORY PAPER
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…
CONTINENTAL PHILOSOPHYHistory Of PhilosophyEXISTENTIALISM
November 15, 2023

EXISTENTIALISM

A broad philosophical and literary movement that flourished during the first half of the twentieth century, Existentialism emphasized the uniqueness of human experience over the generalizations of traditional scientific or…
CONTINENTAL PHILOSOPHYHistory Of PhilosophyCONTINENTAL PHILOSOPHY IN THE TWENTIETH CENTURY
November 15, 2023

CONTINENTAL PHILOSOPHY IN THE TWENTIETH CENTURY

While the focus of western philosophy has primarily been on the analysis and understanding of our most basic concepts, another important theme has been the preparation and education of man…
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…
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…
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…
LogicBASIC LOGICAL SYMBOLS
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
History Of PhilosophyCLASSICAL PHILOSOPHYPLATO
November 15, 2023

PLATO

Plato (427–347 BC) was born into a powerful family in Athens but abandoned politics after the execution of his teacher, Socrates; he subsequently traveled, became influenced by the Pythagoreans, and…
Writing PhilosophyGRADING CRITERIA FOR PHILOSOPHY ESSAYS
November 24, 2023

GRADING CRITERIA FOR PHILOSOPHY ESSAYS

The eight skills just listed are so central to philosophical writing that we may count them among the criteria most instructors use in grading essay assignments. Keep these eight skills…
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…
NON-WESTERN PHILOSOPHICAL TRADITIONSHistory Of PhilosophyINDIAN PHILOSOPHY
November 15, 2023

INDIAN PHILOSOPHY

Philosophy on the Indian subcontinent between 1000 BC and the early centuries of the first millennium was comprised of six major schools of Hindu philosophy (Nyaya, Vaisheshika, Samkhya, Yoga, Mimamsa,…
Modern Branches of PhilosophyPhilosophy BranchesPHILOSOPHY OF SCIENCE
November 14, 2023

PHILOSOPHY OF SCIENCE

Many of the topics within the philosophy of science overlap with topics in metaphysics, epistemology, and the philosophy of language insofar as they apply within our scientific practice. Metaphysical issues,…
MEDIEVAL PHILOSOPHYHistory Of PhilosophySAINT AUGUSTINE
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.

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Terms & Concepts

P

Principle of humanity

The principle whereby the utterances of a speaker (usually of an unknown language) are interpreted so as to accommodate assumptions about the speaker’s erroneous beliefs;contrasted with the more demanding Principle…
S

Scope of the quantifier

The range of a quantifier over a domain of discourse; in symbolic logic notation, the quantifier’s scope is expressed by parentheses. https://youtube.com/shorts/3Jhrc7Toawk?feature=share
R

Relational predicate

A multi-place predicate that expresses a relation between things. https://youtube.com/shorts/tsgAf3eawdE?feature=share
C
Church-Turing Thesis
Z
Zend-Avesta
I
Indirect proof
T
Truth of reason
C
Contraposition by limitation
A
Axiology
I
Inconsistent
F
Fatalism
S
Syllogism
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