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…
QUANTUM LOGIC
Most non-classical logics are motivated by either philosophical considerations, such as the metaphysical status of the future, or technical concerns…
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THE POSITION PAPER
THE POSITION PAPER
A position paper may be viewed as a type of argumentative paper in that it states a claim—your position—concerning a topic, issue, or question and presents a justification for that…
RELEVANCE LOGICS
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…
INTRODUCTORY PHILOSOPHY TEXTS
INTRODUCTORY PHILOSOPHY TEXTS
There is no substitute for grappling primary sources. Nevertheless, secondary sources—including scholarly research, literary reviews, historical summaries—are valuable tools. They not only show you how you can begin thinking about…
TRANSCENDENTAL IDEALISM
TRANSCENDENTAL IDEALISM
The philosophical system developed by Immanuel Kant (1724–1804), Transcendental Idealism sought to overcome the epistemological problems of Empiricism while providing a rational justification for Liberalism.
PYTHAGOREANISM
PYTHAGOREANISM
Based on the teachings of Pythagoras (c. 570–495 BC) and the school he established inCroton in southern Italy, we may conclude that, in many ways, Pythagoreanism was more ofa mystery…
GRADING CRITERIA FOR PHILOSOPHY ESSAYS
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…
EXISTENTIALISM
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…
ORDINARY LANGUAGE PHILOSOPHY
ORDINARY LANGUAGE PHILOSOPHY
Between the 1940s and the 1960s, analytic philosophy shifted away from investigating the (supposed) underlying logical structure of language. While it was still primarily concerned with conceptual analysis, this was…
LOGIC
LOGIC
Logic is concerned with studying the inferences we make, and the formal languages developed to systematize those inferences. This includes both the proof-theories and semantics for these languages, as well…
MANY-VALUE LOGICS
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…
THOMISM
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.
ESSENTIAL WRITING SKILLS
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…
PREDICATE CALCULUS (PREDICATE LOGIC)
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…
THE EARLY MODERN PERIOD
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…
MEDIEVAL PHILOSOPHY
The Medieval Period is usually dated between the fall of the Western Roman Empire (476)and the beginning of the Renaissance…
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Discipline Is Destiny: The Power of Self-Control (The Stoic Virtues Series)
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Stillness Is the Key
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Right Thing, Right Now: Justice in an Unjust World (The Stoic Virtues Series)
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How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius
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Letters from a Stoic: Penguin Classics
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Books
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Pensées (Penguin Classics)
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Meditations: The Annotated Edition
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Moses and Abraham Maimonides: Encountering the Divine (Emunot: Jewish Philosophy and Kabbalah)
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Raja Yoga (Spanish Edition)
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The Joyful Science / Idylls from Messina / Unpublished Fragments from the Period of The Joyful Science (Spring 1881–Summer 1882): Volume 6 (The Complete Works of Friedrich Nietzsche)
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Critical Thinking (The MIT Press Essential Knowledge series)
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Proslogion, with the Replies of Gaunilo and Anselm
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The Guide of the Perplexed, Vol. 1
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The Crossing of the Visible (Cultural Memory in the Present)
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Introduction to Metaphysics, 2nd Edition
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Permaculture: Principles and Pathways Beyond Sustainability (Revised Edition)
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On the Infinite, the Universe and the Worlds: Five Cosmological Dialogues (Collected Works of Giordano Bruno Book 2)
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What Do I Know?: Essential Essays
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Leave It Be: Alan Watts on the Art of Meditation
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Why Does the World Exist?: An Existential Detective Story
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The Vision of the Soul: Truth, Goodness, and Beauty in the Western Tradition
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The Atomos Blog
Natural Function and Perceptual Content
Natural Function and Perceptual Content
Natural Function and Perceptual Content
Natural Function and Perceptual Content
Philosophy of Law: An Introduction
Philosophy of Law: An Introduction
Philosophy of Science: An Introduction
Philosophy of Science: An Introduction
Aesthetics: An Introduction
Aesthetics: An Introduction
Epistemology: An Introduction
Epistemology: An Introduction
Ethics: An Introduction
Ethics: An Introduction
Logic: An Introduction
Logic: An Introduction
Metaphysics: An Introduction
Metaphysics: An Introduction
Philosophy of History: An Introduction
Philosophy of History: An Introduction
Philosophy of Language: An Introduction
Philosophy of Language: An Introduction
Philosophy of Mind: An Introduction
Philosophy of Mind: An Introduction
Philosophy of Technology: An Introduction
Philosophy of Technology: An Introduction
Political and Social Philosophy: An Introduction
Political and Social Philosophy: An Introduction
Environmental Philosophy: An Introduction
Environmental Philosophy: An Introduction
Existentialism and Phenomenology: An Introduction
Existentialism and Phenomenology: An Introduction
Philosophy of Language: An Introduction
Philosophy of Language: An Introduction
Terms & Concepts
Change of Quantifier (Quantifier Exchange) Rule
In quantifier logic, one quantified statement can be substituted for another that is logically equivalent to the original. A universally quantified statement is equivalent to an existentially quantified statement (and…
Quantity
A categorical claim’s status as universal or particular. (See also Categorical proposition.) https://youtube.com/shorts/yplWkxbcRsw?feature=share
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