I Can’t Sleep - Theory | Gentle Bedtime Reading for Sleep
Episode Date: June 6, 2024Ease into rest with this calm bedtime reading on theory, created to help with insomnia and sleepless nights. In this soothing episode, Benjamin explores what a theory is, its role in philosophy and sc...ience, and how theories shape our understanding of the world. His steady, gentle narration offers both education and relaxation—no whispers, no hypnosis, just calm, fact-filled storytelling to quiet the mind. Whether you’re struggling with stress, anxiety, or restless thoughts, this peaceful reading invites you to press play, unwind, and drift into restful sleep while learning something new. Want More? Request a Topic: https://www.icantsleeppodcast.com/request-a-topic Ad-Free Episodes: https://icantsleep.supportingcast.fm/ Shop Sleep-Friendly Products: https://www.icantsleeppodcast.com/sponsors Join the Discussion on Discord: https://discord.gg/myhGhVUhn7 This content is derived from the Wikipedia article on Theory, available under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. Read the full article: Wikipedia – Theory. Happy sleeping! Learn more about your ad choices. Visit megaphone.fm/adchoices
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Welcome to the I Can't Sleep Podcast, where I read random articles from across the web to bore you to sleep with my soothing voice.
I'm your host, Benjamin Boster.
Today's episode is from a Wikipedia article titled, Siri.
A Siri is a rational type of abstract thinking about,
a phenomenon or the results of such thinking.
The process of contemplative and rational thinking is often associated with such processes
as observational study or research.
Theories may be scientific, belonging to a non-scientific discipline, or no discipline at all.
Depending on the context, a theory's assertions might, for example, include generalized explanations
of how nature works.
The word has its roots in ancient Greek, but in modern use, it is taken on several related meanings.
In modern science, the term theory refers to scientific theories, a well-confirmed type of explanation of nature,
made in a way consistent with the scientific method, and fulfilling the criteria required by modern science.
Such theories are described in such a way that scientific tests should be able to provide empirical support for,
or empirical contradiction falsify of it.
Scientific theories are the most reliable, rigorous, and comprehensive form of scientific knowledge,
in contrast to more common uses of the word theory that imply that something is unproven
or speculative, which, in formal terms, is better characterized by the word hypothesis.
scientific theories are distinguished from hypotheses,
which are individual empirical testable conjectures,
and from scientific laws,
which are descriptive accounts of the way nature behaves under certain conditions.
Theories guide the enterprise of finding facts rather than of reaching goals,
and are neutral concerning alternatives among values.
A theory can be a body of knowledge which may
may not be associated with particular explanatory models.
To theorize is to develop this body of knowledge.
The word theory or in theory is sometimes used outside of science
to refer to something which the speaker did not experience or test before.
In science, this same concept is referred to as a hypothesis,
and the word hypothetically is used both inside and outside of science.
In its usage outside of science, the word theory is very often contrasted to practice,
from Greek praxis, a Greek term for doing, which is opposed to theory.
A classical example of the distinction between theoretical and practical,
uses the discipline of medicine.
Medical theory involves trying to understand the cause is the nature of health and sickness,
while the practical side of medicine is trying to make people healthy.
These two things are related but can be independent
because it is possible to research health and sickness without curing specific patients
and it is possible to cure a patient without knowing how the cure worked.
The English word theory derives from a technical term and philosophy in ancient Greek.
As an everyday word, Theoria meant looking at, viewing, beholden.
But in more technical context, it came to refer to contemplative or speculative understandings of natural things,
such as those of natural philosophers, as opposed to more practical ways of knowing things,
like that of skilled orators or artisans.
English speakers have used the word series since at least the late 16th century.
Modern uses of the word theory derive from the original definition.
but have taken on new shades of meaning, still based on the idea of a theory as a thoughtful and rational explanation of the general nature of things.
Although it has more mundane meanings in Greek, the word Theoria apparently develops special uses early in the recorded histories of Greek language.
In the book, From Religion to Philosophy, Francis Cornford suggests that the Orphics used the word Theoria to mean,
passionate, sympathetic contemplation.
Pythagoras changed the word to mean
the passionless contemplation of rational,
unchanging truths of mathematical knowledge,
because he considered this intellectual pursuit
the way to reach the highest plane of existence.
Pythagoras emphasized subduing emotions and bodily desires
to help the intellect function at the higher plane of theory.
Thus it was Pythagoras who gave the word,
theory, the specific meaning that led to the classical and modern concept of a distinction
between theory as uninvolved neutral thinking and practice.
Aristotle's terminology, as already mentioned, contrasts theory with praxis or practice,
and this contrast exists still today. For Aristotle, both practice and theory involve
thinking, but the aims are different. Theoretical contemplation considers things humans
do not move or change, such as nature, so it has no human aim apart from itself and the
knowledge it helps create. On the other hand, proxies involves thinking, but always with an aim
to desired actions, whereby humans cause change or movement themselves for their own ends.
Any human movement that involves no conscious choice and thinking could not be an example
of proxies or doing.
Theories are analytical tools for understanding, explaining, and making predictions about a
given subject matter.
There are theories in many and varied fields of study, including the arts and sciences.
A formal theory is syntactic in nature, and is only meaningful when given a semantic component
by applying it to some content, e.g. facts and relationships of the actual historical world as it is
unfolding.
Theories in various fields of study are often expressed in natural language, but can be
constructed in such a way that their general form is identical to a theory as it is expressed
in the formal language of mathematical logic.
Theories may be expressed mathematically, symbolically, or in common language, but are generally
expected to follow principles of rational thought or logic.
Theory is constructed of a set of sentences that are thought to be true statements about the subject under consideration.
However, the truth of any one of these statements is always relative to the whole theory.
Therefore, the same statement may be true with respect to one theory and not true with respect to another.
This is in ordinary language where statements such as he is a terrible person cannot be judged as true or false
without reference to some interpretation of who he is, and for that matter, what a terrible
person is under the theory.
Sometimes two theories have exactly the same explanatory power because they make the same predictions.
A pair of such theories is called indistinguishable or observational equivalent, and the choice
between them reduces to convenience or philosophical preference.
The form of theories is studied formally in mathematical logic, especially in model theory.
When theories are studying in mathematics, they are usually expressed in some formal language,
and their statements are closed under application of certain procedures called rules of inference.
A special case of this, an axiomatic theory, consists of axioms or axiom schema and rules of inference.
A theorem is a statement that can be derived from those axioms by application of these rules of inference.
Theories used in applications are abstractions of observed phenomena,
and the resulting theorems provide solutions to real-world problems.
Obvious examples include arithmetic, abstracting concepts of number, geometry, concepts of space,
and probability, concepts of randomness and likelihood.
Gurdle's incompleteness theorem shows that no consistent recursively enumerable theory,
that is one whose theorems form a recursively enumerable set,
in which the concept of natural numbers can be expressed,
can include all true statements about them.
As a result, some domains of knowledge cannot be formalized accurately and completely as mathematical theories.
Here, formalizing accurately and completely means that all true propositions and only true propositions
are derivable within the mathematical system.
This limitation, however, in no way precludes the construction of mathematical theories
that formalize large bodies of scientific knowledge.
A theory is underdetermined, also called indeterminacy of data to theory,
if a rival inconsistent theory is at least a result.
as consistent with the evidence.
Underdetermination is an epistemological issue about the relation of evidence to conclusions.
A theory that lacks supporting evidence is generally more properly referred to as a hypothesis.
A news theory better explains and predicts a phenomenon than an old theory, i.e. it has more
explanatory power.
If a news theory better explains and predicts a phenomenon than an old theory,
i.e. it has more explanatory power, we are justified in believing that the newer theory describes
reality more correctly. This is called an intertheoretic reduction because the terms of the old
theory can be reduced to the terms of the new one. For instance, our historical understanding about
sound, light, and heed have been reduced to wave compressions and rarefactions,
electromagnetic waves, and molecular kinetic energy, respectively.
These terms which are identified with each other are called inter-theoretic identities.
When an old and new theory are parallel in this way,
we can conclude that the new one describes the same reality only more completely.
When a new theory uses terms that do not reduce to terms of an older theory,
but rather replaces them because they misrepresent reality,
it is called an inter-theoretic elimination.
For instance, the obsolete scientific theory that put forward an understanding of heat transfer
in terms of the movement of caloric fluid was eliminated when a theory of heat as energy replaced
it. Also, the theory that phlogiston is a substance released from burning and rusting material
was eliminated with the new understanding of the reactivity of oxygen.
Theories are distinct from theorems. A theorem is derived deductively from axioms,
basic assumptions, according to a formal system of rules, sometimes as an end in itself,
and sometimes as a first step toward being tested or applied in a concrete situation.
The theorems are said to be true in a sense that the conclusions of a theorem are logical consequences
of the axioms.
Theories are abstract and conceptual, and are supported or challenged by observations in the world.
They are rigorously tentative, meaning that they are proposed as true and expected to satisfy careful examination to account for the possibility of faulty interference or incorrect observation.
Sometimes theories are incorrect, meaning that an explicit set of observations contradicts some fundamental objection or application of the theory, but more often theories are corrected to conform.
to new observations, by restricting the class of phenomena the theory applies to, or changing
the assertions made. An example of the former is the restriction of classical mechanics to phenomena
involving macroscopic length scales and particle speeds much lower than the speed of line.
Theory is often distinguished from practice or proxies. The question of whether theoretical models of work are
relevant to work itself is of interest as scholars of professions such as medicine, engineering,
law, and management. The gap between theory and practice has been framed as a knowledge transfer,
where there is a task of translating research knowledge to be application and practice,
and ensuring that practitioners are made aware of it. Academics have been criticized for not
attempting to transfer the knowledge they produce to practitioners.
Another framing supposes that theory and knowledge seek to understand different problems
and model the world in different words, using different ontologies and epistemologies.
Another framing says that research does not produce theory that is relevant to practice.
In the context of management, Van de Van and Johnson propose a form of engaged scholarship
where scholars examine problems that occur in practice
in an interdisciplinary fashion,
producing results that create both new practical results
as well as new theoretical models,
but targeting theoretical results shared in an academic fashion.
They use a metaphor of arbitrage of ideas between disciplines,
distinguishing it from collaboration.
In science, the term theory refers to a well-substantiated
explanation of some aspect of the natural world, based on a body of facts that have been
repeatedly confirmed through observation and experiment.
Theories must also meet further requirements, such as the ability to make falsifiable predictions
with consistent accuracy across a broad area of scientific inquiry, and production of strong
evidence in favor of the theory from multiple independent sources, conciliants.
The strength of a scientific theory is related to the diversity of phenomena it can explain,
which is measured by its ability to make falsifiable predictions with respect to those phenomena.
Theories are improved or replaced by better theories,
has more evidence as gathered, so that accuracy and prediction improves over time.
This increased accuracy corresponds to an increase in scientific knowledge.
Scientists use theories as a foundation to gain further scientific knowledge, as well as to accomplish goals, such as inventing technology or curing diseases.
The United States National Academy of Sciences defines scientific theories as follows.
The formal scientific definition of theory is quite different from the everyday meaning of the word.
It refers to a comprehensive explanation of some aspect of nature that is supported by a vast body of evidence.
evidence. Many scientific theories are so well established that no new evidence is likely to
alter them substantially. For example, no new evidence will demonstrate that the Earth does not
orbit around the Sun, heliocentric theory, or that living things are not made of cells, cell theory,
that matter is not composed of atoms, or that the surface of the Earth is not divided into
solid plates that have moved over geological timescales, the theory of plate tectonics.
One of the most useful properties of scientific theories is that they can be used to make predictions
about natural events or phenomena that have not yet been observed. A scientific theory is a well-substantiated
explanation of some aspect of the natural world, based on a body of facts that have been
repeatedly confirmed through observation and experiment. Such facts support
The supporting theories are not guesses, but reliable accounts of the real world.
The theory of biological evolution is more than just a theory.
It is as factual an explanation of the universe as the atomic theory of matter
or the germ theory of disease.
Our understanding of gravity is still a work in progress,
but the phenomenon of gravity, like evolution, is an accepted fact.
The term theory is not appropriate for describing scientific models,
or untested but intricate hypotheses.
The logical positivists thought of scientific theories as deductive theories,
that a theory's content is based on some formal system of logic and on basic axioms.
In a deductive theory, any sentence which is a logical consequence of one or more of the axioms
is also a sentence of that theory.
This is called the received view of theories.
In the semantic view of theories, which has largely replaced the received view,
theories are viewed as scientific models.
A model is a logical framework intended to represent reality, a model of reality,
similar to the way that a map is a graphical model that represents the territory of a city or country.
In this approach, theories are a specific category of models that fulfill the necessary criteria.
In physics, the term theory is generally used for a mathematical framework derived from a small set of basic postulates,
usually symmetries like equality of locations in space or in time, or identity of electrons, etc.,
which is capable of producing experimental predictions for a given category of physical systems.
One good example is classical electromagnetism, which encompasses results to write from gauge symmetry,
sometimes called gauge invariance, in a form of a few equations called Maxwell's equations.
The specific mathematical aspects of classical electromagnetic theory are termed laws of electromagnetism,
reflecting the level of consistent and reproducible evidence that supports them.
Within electromagnetic theory generally, there are numerous hypotheses about how electromagnetism applies to specific situations.
Many of these hypotheses are already considered adequately tested, with new ones always in the making, and perhaps untested.
Certain tests may be infeasible or technically difficult.
As a result, theories may make predictions that have not been confirmed or proven incorrect.
These predictions may be described informally as theoretical.
They can be tested later, and if they are incorrect, this may lead to revision, invalidation, or,
or rejection of the theory. In mathematics, the use of the term theory is different, necessarily
so, since mathematics contains no explanations of natural phenomenon per se, even though it may help
provide insight into natural systems or be inspired by them. In the general sense, a mathematical
theory is a branch of mathematics devoted to some specific topics or methods, such as set theory,
number theory, group theory, probability theory, game theory, control theory,
perturbation theory, etc., such as might be appropriate for a single textbook.
In mathematical logic, a theory has a related but different sense.
It is a collection of the theorems that can be deduced from a given set of axioms,
given a given set of inference rules.
A theory can be either descriptive as in science or prescriptive, normative, as in
philosophy. The latter are those whose subject matter consists not of empirical data but rather of ideas.
At least some of the elementary theorems of a philosophical theory are statements whose
truths cannot necessarily be scientifically tested through empirical observation.
A field of study is sometimes named a theory because its basis is some initial set of
assumptions describing the field's approach to the subject.
These assumptions are the elementary theorems of the particular theory and can be thought of as the axioms of that field.
Some commonly known examples include set theory and number theory. However, literary theory, critical theory, and music theory are also of the same form.
One form of philosophical theory is a meta theory. A meta theory is a theory whose subject matter is some other theory or set of theories.
In other words, it is a theory about theories.
Statements made in the meta-theory about the theory are called metathirums.
A political theory is an ethical theory about the law and government.
Often the term political theory refers to a general view or specific ethic,
political belief or attitude, thought about politics.
In social science, jurisprudence is the philosophical theory of law.
Contemporary philosophy of law addresses problems,
internal to law and legal systems, and problems of law as a particular social institution.
Most of the following are scientific theories. Some are not, but rather encompass a body of knowledge
or art, such as music theory and visual arts theory.
Anthropology. Carnero's circumscription theory. Astronomy.
Alpha-Beta-Gam-au theory. B-2-F-H theory. Copernican theory. Newton's theorem of
gravitation, Hubble's Law, Kepler's Law of Planetary Motion Ptolemaic Theory, Biology, Cell Theory,
chemozmodic theory, evolution, germ theory, symbiogenesis.
Chemistry, molecular theory, kinetic theory of gases, molecular orbital theory, valence bond theory,
transition state theory, RRKM theory,
theory, chemical graph theory, Flory Huggins solution theory, Marcus theory, Lewis theory, successor to Brunstead-Laur acid-based theory, HsA-B theory,
Debbie Heckel theory, thermodynamic theory of polymer elasticity, reputation theory, polymer field theory,
Muraliplicit perturbation theory
Density Functional Theory
Frontier Molecular Orbital Theory
Polyhedral Skeletal Electron Parathy
Bayer Strain Theory
Quantum Theory of Atoms and Molecules
Collision Theory
Ligon Field Theory
Successor to Crystal Field Theory
Variation Transition State Theory
Benson Group Increment Theory
Specific ion interaction theory
Climatology
Climate change theory
General study of climate changes
Anthropogenic climate change
ACCACC
Anthropogenic Global Warming
AGW theories due to human activity
computer science
automata theory
queuing theory
Cosmology
Big Bang Theory
cosmic inflation, loop quantum gravity, super string theory, supergravity, super symmetric theory,
multiverse theory, holographic principle, quantum gravity, M theory, economics, macroeconomic theory,
law of supply and demand, education, constructivist theory, critical pedagogy
theory, education theory, multiple intelligence theory, progressive education theory, engineering, circuit
theory, control theory, signal theory, systems theory, information theory, film theory, film theory,
geology, blade tectonics, humanities, critical theory, jurisprudence or legal theory, natural law,
Legal positivism, legal realism, critical legal studies.
Linguistics, X-Barr theory, government and binding, principles and parameters, universal grammar.
Literature. Literary theory.
Mathematics. Approximation theory. Arachalov theory. Asymptotic theory.
Bifurcation theory.
catastrophe theory category theory chaos theory show k theory coding theory combinatorial game theory computability theory
computation theory deformation theory dimension theory ergotic theory field theory colloise theory game theory
gauge theory, graph theory, group theory, haudge theory, amology theory, homotopy theory, ideal theory, intersection theory, invariant theory, iwasawa theory, K theory, K theory, K-K theory, not theory, L theory, lie theory, little wood-paley theory, matrix theory, measure theory, model theory,
Module theory, Morse theory, Nevin Linna theory, number theory, obstruction theory, operator theory, order theory, PCF theory, perturbation theory, potential theory, probability theory, Ramsey theory, rational choice theory, representation theory, ring theory, set theory, shape theory, small cancellation theory, small cancellation theory,
spectral theory, stability theory, stable theory, stern Louisville theory, surgery theory,
twister theory, Yang Mills theory, music music theory.
Philosophy, proof theory, speculative reason, theory of truth truth, type theory, value theory,
virtue theory.
Physics.
Acoustic theory. Antenna theory.
Atomic theory. B.C.S. theory.
Conformal field theory.
Dirac whole theory. Dynamo theory. Landau theory.
M. Theory. Perubation theory.
Theory of relativity. Successor to classical mechanics.
Gage theory. Quantum field theory.
Scattering.
theory, string theory, quantum information theory, psychology, theory of mind, cognitive dissonance
theory, attachment theory, object permanence, poverty of stimulus, attribution theory, self-fulfilling
prophecy, Stockholm syndrome, public budgeting, incrementalism, zero-based budgeting, public administration,
organizational theory
semiotics
interthericity
transferogenesis
sociology
critical theory
engaged theory
social theory
sociological theory
social capital theory
statistics
extreme value theory
theater
performance theory
visual arts
aesthetics
art educational theory architecture composition anatomy color theory perspective visual perception geometry
manifolds other obsolete scientific theories
