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56 relations: Afrikan Spir, An Essay Concerning Human Understanding, Ancient Greece, Antonius Andreas, Aristotle, Ayn Rand, Baruch Spinoza, Corollary, David Kaplan (philosopher), Dialetheism, Difference and Repetition, Duns Scotus, Equality (mathematics), Equivocation, Essence, Exclusive or, Fallacy, Francisco Suárez, George Boole, Gottfried Wilhelm Leibniz, Hilary Putnam, If and only if, Józef Maria Bocheński, John Locke, John Searle, Keith Donnellan, Law of excluded middle, Law of noncontradiction, Law of thought, List of logic symbols, Logic, Logical biconditional, Mathematical logic, Metaphysics (Aristotle), Negation, Nicholas of Cusa, Organon, Particular, Plato, Polysemy, Prefix, Prior Analytics, René Descartes, Rose is a rose is a rose is a rose, Saul Kripke, Socrates, Steve Ditko, Substitution (logic), Symbol, The Laws of Thought, ..., Theaetetus (dialogue), Thomas Aquinas, Thomas Hobbes, Universal (metaphysics), Wilhelm Wundt, Willard Van Orman Quine. Expand index (6 more) »
Afrikan Spir
Afrikan Aleksandrovich Spir (Russian: Африка́н Алекса́ндрович Спир; German: Afrikan (von) Spir, French: African (de) Spir, Italian: Africano Spir) (15 November 1837 – 26 March 1890) was a Russian Neo-Kantian philosopher of Greek-German descent who wrote primarily in German.
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An Essay Concerning Human Understanding
An Essay Concerning Human Understanding is a work by John Locke concerning the foundation of human knowledge and understanding.
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Ancient Greece
Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).
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Antonius Andreas
Antonius Andreas (born c. 1280, Tauste, Aragon, died 1320) was a Spanish Franciscan theologian, a pupil of Duns Scotus.
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Aristotle
Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.
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Ayn Rand
Ayn Rand (born Alisa Zinovyevna Rosenbaum; – March 6, 1982) was a Russian-American writer and philosopher.
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Baruch Spinoza
Baruch Spinoza (born Benedito de Espinosa,; 24 November 1632 – 21 February 1677, later Benedict de Spinoza) was a Dutch philosopher of Sephardi/Portuguese origin.
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Corollary
A corollary is a statement that follows readily from a previous statement.
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David Kaplan (philosopher)
David Benjamin Kaplan (born September 17, 1933) is the Hans Reichenbach Professor of Scientific Philosophy at the University of California, Los Angeles Department of Philosophy.
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Dialetheism
Dialetheism is the view that there are statements which are both true and false.
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Difference and Repetition
Difference and Repetition (Différence et Répétition) is a 1968 book by philosopher Gilles Deleuze, originally published in France.
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Duns Scotus
John Duns, commonly called Duns Scotus (1266 – 8 November 1308), is generally considered to be one of the three most important philosopher-theologians of the High Middle Ages (together with Thomas Aquinas and William of Ockham).
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Equality (mathematics)
In mathematics, equality is a relationship between two quantities or, more generally two mathematical expressions, asserting that the quantities have the same value, or that the expressions represent the same mathematical object.
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Equivocation
In logic, equivocation ('calling two different things by the same name') is an informal fallacy resulting from the use of a particular word/expression in multiple senses throughout an argument leading to a false conclusion.
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Essence
In philosophy, essence is the property or set of properties that make an entity or substance what it fundamentally is, and which it has by necessity, and without which it loses its identity.
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Exclusive or
Exclusive or or exclusive disjunction is a logical operation that outputs true only when inputs differ (one is true, the other is false).
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Fallacy
A fallacy is the use of invalid or otherwise faulty reasoning, or "wrong moves" in the construction of an argument.
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Francisco Suárez
Francisco Suárez (5 January 1548 – 25 September 1617) was a Spanish Jesuit priest, philosopher and theologian, one of the leading figures of the School of Salamanca movement, and generally regarded among the greatest scholastics after Thomas Aquinas.
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George Boole
George Boole (2 November 1815 – 8 December 1864) was a largely self-taught English mathematician, philosopher and logician, most of whose short career was spent as the first professor of mathematics at Queen's College, Cork in Ireland.
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Gottfried Wilhelm Leibniz
Gottfried Wilhelm (von) Leibniz (or; Leibnitz; – 14 November 1716) was a German polymath and philosopher who occupies a prominent place in the history of mathematics and the history of philosophy.
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Hilary Putnam
Hilary Whitehall Putnam (July 31, 1926 – March 13, 2016) was an American philosopher, mathematician, and computer scientist, and a major figure in analytic philosophy in the second half of the 20th century.
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If and only if
In logic and related fields such as mathematics and philosophy, if and only if (shortened iff) is a biconditional logical connective between statements.
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Józef Maria Bocheński
Józef Maria Bocheński (Czuszów, Congress Poland, Russian Empire, 30 August 1902 – 8 February 1995, Fribourg, Switzerland) was a Polish Dominican, logician and philosopher.
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John Locke
John Locke (29 August 1632 – 28 October 1704) was an English philosopher and physician, widely regarded as one of the most influential of Enlightenment thinkers and commonly known as the "Father of Liberalism".
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John Searle
John Rogers Searle (born 31 July 1932) is an American philosopher.
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Keith Donnellan
Keith Sedgwick Donnellan (25 June 1931 – 20 February 2015) was an American philosopher and Professor Emeritus of the UCLA department of Philosophy.
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Law of excluded middle
In logic, the law of excluded middle (or the principle of excluded middle) states that for any proposition, either that proposition is true or its negation is true.
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Law of noncontradiction
In classical logic, the law of non-contradiction (LNC) (also known as the law of contradiction, principle of non-contradiction (PNC), or the principle of contradiction) states that contradictory statements cannot both be true in the same sense at the same time, e.g. the two propositions "A is B" and "A is not B" are mutually exclusive.
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Law of thought
The laws of thought are fundamental axiomatic rules upon which rational discourse itself is often considered to be based.
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List of logic symbols
In logic, a set of symbols is commonly used to express logical representation.
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Logic
Logic (from the logikḗ), originally meaning "the word" or "what is spoken", but coming to mean "thought" or "reason", is a subject concerned with the most general laws of truth, and is now generally held to consist of the systematic study of the form of valid inference.
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Logical biconditional
In logic and mathematics, the logical biconditional (sometimes known as the material biconditional) is the logical connective of two statements asserting "P if and only if Q", where P is an antecedent and Q is a consequent.
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Mathematical logic
Mathematical logic is a subfield of mathematics exploring the applications of formal logic to mathematics.
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Metaphysics (Aristotle)
Metaphysics (Greek: τὰ μετὰ τὰ φυσικά; Latin: Metaphysica) is one of the principal works of Aristotle and the first major work of the branch of philosophy with the same name.
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Negation
In logic, negation, also called the logical complement, is an operation that takes a proposition P to another proposition "not P", written \neg P (¬P), which is interpreted intuitively as being true when P is false, and false when P is true.
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Nicholas of Cusa
Nicholas of Cusa (1401 – 11 August 1464), also referred to as Nicholas of Kues and Nicolaus Cusanus, was a German philosopher, theologian, jurist, and astronomer.
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Organon
The Organon (Greek: Ὄργανον, meaning "instrument, tool, organ") is the standard collection of Aristotle's six works on logic.
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Particular
In metaphysics, particulars are defined as concrete, spatiotemporal entities as opposed to abstract entities, such as properties or numbers.
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Plato
Plato (Πλάτων Plátōn, in Classical Attic; 428/427 or 424/423 – 348/347 BC) was a philosopher in Classical Greece and the founder of the Academy in Athens, the first institution of higher learning in the Western world.
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Polysemy
Polysemy (or; from πολυ-, poly-, "many" and σῆμα, sêma, "sign") is the capacity for a sign (such as a word, phrase, or symbol) to have multiple meanings (that is, multiple semes or sememes and thus multiple senses), usually related by contiguity of meaning within a semantic field.
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Prefix
A prefix is an affix which is placed before the stem of a word.
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Prior Analytics
The Prior Analytics (Ἀναλυτικὰ Πρότερα; Analytica Priora) is Aristotle's work on deductive reasoning, which is known as his syllogistic.
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René Descartes
René Descartes (Latinized: Renatus Cartesius; adjectival form: "Cartesian"; 31 March 1596 – 11 February 1650) was a French philosopher, mathematician, and scientist.
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Rose is a rose is a rose is a rose
The sentence "Rose is a rose is a rose is a rose." was written by Gertrude Stein as part of the 1913 poem "Sacred Emily", which appeared in the 1922 book Geography and Plays.
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Saul Kripke
Saul Aaron Kripke (born November 13, 1940) is an American philosopher and logician.
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Socrates
Socrates (Sōkrátēs,; – 399 BC) was a classical Greek (Athenian) philosopher credited as one of the founders of Western philosophy, and as being the first moral philosopher, of the Western ethical tradition of thought.
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Steve Ditko
Stephen J. Ditko (born November 2, 1927) is an American comics artist and writer best known as the artist and co-creator, with Stan Lee, of the Marvel Comics superheroes Spider-Man and Doctor Strange.
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Substitution (logic)
Substitution is a fundamental concept in logic.
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Symbol
A symbol is a mark, sign or word that indicates, signifies, or is understood as representing an idea, object, or relationship.
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The Laws of Thought
An Investigation of the Laws of Thought on Which are Founded the Mathematical Theories of Logic and Probabilities by George Boole, published in 1854, is the second of Boole's two monographs on algebraic logic.
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Theaetetus (dialogue)
The Theaetetus (Θεαίτητος) is one of Plato's dialogues concerning the nature of knowledge, written circa 369 BC.
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Thomas Aquinas
Saint Thomas Aquinas (1225 – 7 March 1274) was an Italian Dominican friar, Catholic priest, and Doctor of the Church.
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Thomas Hobbes
Thomas Hobbes (5 April 1588 – 4 December 1679), in some older texts Thomas Hobbes of Malmesbury, was an English philosopher who is considered one of the founders of modern political philosophy.
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Universal (metaphysics)
In metaphysics, a universal is what particular things have in common, namely characteristics or qualities.
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Wilhelm Wundt
Wilhelm Maximilian Wundt (16 August 1832 – 31 August 1920) was a German physician, physiologist, philosopher, and professor, known today as one of the founding figures of modern psychology.
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Willard Van Orman Quine
Willard Van Orman Quine (known to intimates as "Van"; June 25, 1908 – December 25, 2000) was an American philosopher and logician in the analytic tradition, recognized as "one of the most influential philosophers of the twentieth century." From 1930 until his death 70 years later, Quine was continually affiliated with Harvard University in one way or another, first as a student, then as a professor of philosophy and a teacher of logic and set theory, and finally as a professor emeritus who published or revised several books in retirement.
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Redirects here:
A = A, A is A, A is a, A=A, Law of Identity, Principle of identity, The Principle of Identity, The principle of identity.
References
[1] https://en.wikipedia.org/wiki/Law_of_identity
