PROPOSITIONAL CALCULUS (PROPOSITIONAL LOGIC)
The simplest formal (logical) language is the propositional calculus. This considers the logical relationships that hold between complete propositions.
PHILOSOPHY OF LAW
The philosophy of law is concerned with all aspects of theoretical reflection on laws and legal systems and therefore encompasses…
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INTUITIONISM
INTUITIONISM
One of the most familiar non-classical logics is intuitionism, which, in simple terms, is based upon the rejection of the law of excluded middle: (P ∨ ¬P). There are both…
GOOD PHILOSOPHICAL WRITING
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…
AFRICAN PHILOSOPHY
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…
LOGICAL ATOMISM
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…
HERMENEUTICS
HERMENEUTICS
Originally applied to scriptural exegesis (interpretation), hermeneutics is more generally the theory and method of all “textual” interpretation. In the modern context, this refers to both verbal and non-verbal “texts”…
SKEPTICISM (PYRRHONISM)
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…
MODAL LOGIC
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…
BASIC LOGICAL SYMBOLS
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
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…
PHILOSOPHY AS METHOD
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…
CONTINENTAL PHILOSOPHY IN THE TWENTIETH CENTURY
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…
MIDDLE EASTERN TRADITIONS
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…
POLITICAL PHILOSOPHY
POLITICAL PHILOSOPHY
Political philosophy is at least as old as Plato (428/227 or 424/423-348/347 BC) and is concerned with the nature of the state and, more broadly, with coercive institutions, and their…
AESTHETICS
AESTHETICS
Aesthetics is concerned with the nature of art (whether visual, literary, dramatic, or in some other medium) and the way in which art is experienced. Two principal related issues, therefore,…
PRAGMATISM
Pragmatism was a philosophical movement in the United States concerned with the relationship between abstract theory and practical activity, and…
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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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The Atomos Blog
Reexamining Spacetime Substantivalism: Duplicate
Reexamining Spacetime Substantivalism: Duplicate
Reexamining Spacetime Substantivalism: Duplicate
Reexamining Spacetime Substantivalism: Duplicate
Reexamining Spacetime Substantivalism: A Critique of Modal Arbitrariness and Determinism in Teitel’s Framework
Reexamining Spacetime Substantivalism: A Critique of Modal Arbitrariness and Determinism in Teitel’s Framework
Rule-Following and Artificial Intelligence: A Kripkean Perspective
Rule-Following and Artificial Intelligence: A Kripkean Perspective
The Eternal Coexistence of Consciousness and Spacetime: A Philosophical Inquiry
The Eternal Coexistence of Consciousness and Spacetime: A Philosophical Inquiry
Embracing Contradiction: An In-Depth Analysis of Dialetheism
Embracing Contradiction: An In-Depth Analysis of Dialetheism
Analysis of, and Responses to Edmund Gettier’s “Is Justified True Belief Knowledge?”
Analysis of, and Responses to Edmund Gettier’s “Is Justified True Belief Knowledge?”
The Unstable Foundation: A Critique of the Ontological Proof of God’s Existence
The Unstable Foundation: A Critique of the Ontological Proof of God’s Existence
Meta-Modal Actuality: A Dynamic Framework for Possibility, Actualization, and Causality
Meta-Modal Actuality: A Dynamic Framework for Possibility, Actualization, and Causality
Killing, Morality, and the Human Condition: A Philosophical Investigation
Killing, Morality, and the Human Condition: A Philosophical Investigation
The Intricacy of Existence: A Philosophical Exploration of Complexity, Contingency, and Divine Agency
The Intricacy of Existence: A Philosophical Exploration of Complexity, Contingency, and Divine Agency
The Ethics of Procreation and the Rational Acceptance of Life: A Critical Engagement with Weinberg’s Argument
The Ethics of Procreation and the Rational Acceptance of Life: A Critical Engagement with Weinberg’s Argument
Imagination, Consciousness, and the Nature of the Soul: A Philosophical Inquiry
Imagination, Consciousness, and the Nature of the Soul: A Philosophical Inquiry
The Interplay of Karma, Rebirth, and Non-Self in Buddhist Philosophy: A Metaphysical Inquiry
The Interplay of Karma, Rebirth, and Non-Self in Buddhist Philosophy: A Metaphysical Inquiry
Metaphysical Perspectives: A Comparative Analysis of Theism and Atheism
Metaphysical Perspectives: A Comparative Analysis of Theism and Atheism
The Infinite Universe, Death, and the Search for Meaning: A Philosophical Exploration of Existence, the Divine, and Human Mortality
The Infinite Universe, Death, and the Search for Meaning: A Philosophical Exploration of Existence, the Divine, and Human Mortality
The Intricacy of Existence: A Philosophical Exploration of Complexity, Contingency, and Divine Agency
The Intricacy of Existence: A Philosophical Exploration of Complexity, Contingency, and Divine Agency
Terms & Concepts
Immediate inference
An inference from one statement to another. In categorical logic, immediate inferences are made “around” the square of opposition. Other immediate inferences in categorical logic are conversion, obversion, and contraposition.…
Aristotelian forms
The four claim types in Aristotelian logic, which are the universal affirmative (All S are P; A proposition), universal negative (No S are P; E-proposition) particular affirmative (Some S are…
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