A report on Epistemology and Truth

René Descartes, who is often credited as the father of modern philosophy, was often preoccupied with epistemological questions in his work.
An angel carrying the banner of "Truth", Roslin, Midlothian
Bertrand Russell famously brought attention to the distinction between propositional knowledge and knowledge by acquaintance.
Walter Seymour Allward's Veritas (Truth) outside Supreme Court of Canada, Ottawa, Ontario Canada
An Euler diagram representing a version of the traditional definition of knowledge that is adapted to the Gettier problem. This problem gives us reason to think that not all justified true beliefs constitute knowledge.
'"What is Truth?" by Nikolai Ge, depicting John 18:38 in which Pilate asks Christ "What is truth?"
The analytic–synthetic distinction was first proposed by Immanuel Kant.
David Hume, one of the most staunch defenders of empiricism.

1) The philosophical analysis of the nature of knowledge and the conditions required for a belief to constitute knowledge, such as truth and justification

- Epistemology

Vico's epistemological orientation gathers the most diverse rays and unfolds in one axiom—verum ipsum factum—"truth itself is constructed".

- Truth
René Descartes, who is often credited as the father of modern philosophy, was often preoccupied with epistemological questions in his work.

13 related topics with Alpha

Overall

Los portadores de la antorcha (The Torch-Bearers) – Sculpture by Anna Hyatt Huntington symbolizing the transmission of knowledge from one generation to the next (Ciudad Universitaria, Madrid, Spain)

Knowledge

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Familiarity or awareness, of someone or something, such as facts , skills (procedural knowledge), or objects (acquaintance knowledge), often contributing to understanding.

Familiarity or awareness, of someone or something, such as facts , skills (procedural knowledge), or objects (acquaintance knowledge), often contributing to understanding.

Los portadores de la antorcha (The Torch-Bearers) – Sculpture by Anna Hyatt Huntington symbolizing the transmission of knowledge from one generation to the next (Ciudad Universitaria, Madrid, Spain)
Sir Francis Bacon, "Knowledge is Power"
The parable of the blind men and the elephant suggests that people tend to project their partial experiences as the whole truth
The owl of Athena is a symbol of knowledge.

Knowledge of facts, also referred to as propositional knowledge, is often defined as true belief that is distinct from opinion or guesswork by virtue of justification.

It is the primary subject of the field of epistemology, which studies what we know, how we come to know it, and what it means to know something.

Different approaches toward resolving the mind–body problem

Metaphysics

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Branch of philosophy that studies the fundamental nature of reality, the first principles of being, identity and change, space and time, causality, necessity, and possibility.

Branch of philosophy that studies the fundamental nature of reality, the first principles of being, identity and change, space and time, causality, necessity, and possibility.

Different approaches toward resolving the mind–body problem
The circled dot was used by the Pythagoreans and later Greeks to represent the first metaphysical being, the Monad or The Absolute.
The modern "yin and yang symbol" (taijitu)

Metaphysics is considered one of the four main branches of philosophy, along with epistemology, logic, and ethics.

Methodologically, the Eleatics were broadly rationalist, and took logical standards of clarity and necessity to be the criteria of truth.

Roman copy of a portrait bust c. 370 BC

Plato

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Greek philosopher born in Athens during the Classical period in Ancient Greece.

Greek philosopher born in Athens during the Classical period in Ancient Greece.

Roman copy of a portrait bust c. 370 BC
Diogenes Laertius is a principal source for the history of ancient Greek philosophy.
Through his mother, Plato was related to Solon.
Speusippus was Plato's nephew.
Plato was a wrestler
Plato in his academy, drawing after a painting by Swedish painter Carl Johan Wahlbom
Bust of Pythagoras in Rome.
A detail of Spinoza monument in Amsterdam.
Bust of Socrates at the Louvre.
The "windmill proof" of the Pythagorean theorem found in Euclid's Elements.
What is justice?
A Venn diagram illustrating the classical theory of knowledge.
Oxyrhynchus Papyri, with fragment of Plato's Republic
Bust excavated at the Villa of the Papyri, possibly of Dionysus, Plato or Poseidon.
The Death of Socrates (1787), by Jacques-Louis David
Plato's Allegory of the Cave by Jan Saenredam, according to Cornelis van Haarlem, 1604, Albertina, Vienna
Painting of a scene from Plato's Symposium (Anselm Feuerbach, 1873)
Volume 3, pp. 32–33, of the 1578 Stephanus edition of Plato, showing a passage of Timaeus with the Latin translation and notes of Jean de Serres
First page of the Euthyphro, from the Clarke Plato (Codex Oxoniensis Clarkianus 39), 895 AD. The text is Greek minuscule.
Plato (left) and Aristotle (right) a detail of The School of Athens, a fresco by Raphael. Aristotle gestures to the earth while holding a copy of his Nicomachean Ethics in his hand. Plato holds his Timaeus and gestures to the heavens.
"The safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato." (Alfred North Whitehead, Process and Reality, 1929).

Just as individual tables, chairs, and cars refer to objects in this world, 'tableness', 'chairness', and 'carness', as well as e. g. justice, truth, and beauty refer to objects in another world.

Plato also discusses several aspects of epistemology.

Detail of Pythagoras with a tablet of ratios, numbers sacred to the Pythagoreans, from The School of Athens by Raphael. Vatican Palace, Vatican City.

Rationalism

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Detail of Pythagoras with a tablet of ratios, numbers sacred to the Pythagoreans, from The School of Athens by Raphael. Vatican Palace, Vatican City.
Plato in The School of Athens, by Raphael
Ibn Sina Portrait on Silver Vase.
In spite of his early death, Spinoza exerted a profound influence on philosophy in the Age of Reason. He is often considered one of three most remarkable rationalists of modern Western thought, along with Descartes and Leibniz.

In philosophy, rationalism is the epistemological view that "regards reason as the chief source and test of knowledge" or "any view appealing to reason as a source of knowledge or justification".

Much of the debate in these fields are focused on analyzing the nature of knowledge and how it relates to connected notions such as truth, belief, and justification.

Francisco de Goya, The Sleep of Reason Produces Monsters (El sueño de la razón produce monstruos), c. 1797

Reason

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Francisco de Goya, The Sleep of Reason Produces Monsters (El sueño de la razón produce monstruos), c. 1797
René Descartes
Dan Sperber believes that reasoning in groups is more effective and promotes their evolutionary fitness.

Reason is the capacity of consciously applying logic by drawing conclusions from new or existing information, with the aim of seeking the truth.

This eventually became known as epistemological or "subject-centred" reason, because it is based on the knowing subject, who perceives the rest of the world and itself as a set of objects to be studied, and successfully mastered by applying the knowledge accumulated through such study.

A brain in a vat that believes it is walking

Reality

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Sum or aggregate of all that is real or existent within a system, as opposed to that which is only imaginary.

Sum or aggregate of all that is real or existent within a system, as opposed to that which is only imaginary.

A brain in a vat that believes it is walking
Reality-virtuality continuum.

On the other hand, particularly in discussions of objectivity that have feet in both metaphysics and epistemology, philosophical discussions of "reality" often concern the ways in which reality is, or is not, in some way dependent upon (or, to use fashionable jargon, "constructed" out of) mental and cultural factors such as perceptions, beliefs, and other mental states, as well as cultural artifacts, such as religions and political movements, on up to the vague notion of a common cultural world view, or Weltanschauung.

George Musser, "Virtual Reality: How close can physics bring us to a truly fundamental understanding of the world?", Scientific American, vol. 321, no. 3 (September 2019), pp. 30–35. "Physics is... the bedrock of the broader search for truth.... Yet [physicists] sometimes seem to be struck by a collective impostor syndrome.... Truth can be elusive even in the best-established theories. Quantum mechanics is as well tested a theory as can be, yet its interpretation remains inscrutable. [p. 30.] The deeper physicists dive into reality, the more reality seems to evaporate." [p. 34.]

A Venn diagram illustrating the traditional definition of knowledge as justified true belief (represented by the yellow circle). The Gettier problem gives us reason to think that not all justified true beliefs constitute knowledge.

Belief

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A Venn diagram illustrating the traditional definition of knowledge as justified true belief (represented by the yellow circle). The Gettier problem gives us reason to think that not all justified true beliefs constitute knowledge.
Philosopher Jonathan Glover warns that belief systems are like whole boats in the water; it is extremely difficult to alter them all at once (for example, it may be too stressful, or people may maintain their biases without realizing it).
We are influenced by many factors that ripple through our minds as our beliefs form, evolve, and may eventually change

A belief is an attitude that something is the case, or that some proposition about the universe is true.

In epistemology, philosophers use the term "belief" to refer to attitudes about the world which can be either true or false.

Non-fiction books at a Danish library, shelves displaying the word "Fakta", Danish for "Facts".

Fact

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Non-fiction books at a Danish library, shelves displaying the word "Fakta", Danish for "Facts".

A fact is something that is true.

In philosophy, the concept fact is considered in the branch of philosophy concerned with knowledge, called epistemology and ontology, which studies concepts such as existence, being, becoming, and reality.

James in 1903

William James

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American philosopher, historian, and psychologist, and the first educator to offer a psychology course in the United States.

American philosopher, historian, and psychologist, and the first educator to offer a psychology course in the United States.

James in 1903
William James in Brazil, 1865
William James and Josiah Royce, near James's country home in Chocorua, New Hampshire in September 1903. James's daughter Peggy took the picture. On hearing the camera click, James cried out: "Royce, you're being photographed! Look out! I say Damn the Absolute!"
Portrait of William James by John La Farge, circa 1859
Excerpt
James in a séance with a spiritualist medium

He wrote widely on many topics, including epistemology, education, metaphysics, psychology, religion, and mysticism.

James defined true beliefs as those that prove useful to the believer.

Criteria of truth

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In epistemology, criteria of truth (or tests of truth) are standards and rules used to judge the accuracy of statements and claims.

Understanding a philosophy's criteria of truth is fundamental to a clear evaluation of that philosophy.