Cosma Home > Communication > System > Knowledge > Form > General > Foundation > Theory


What is a theory? (Wise Geek)



General Reference, Foundation (Theory)


Philosophy Metaphysics, Logic, Epistemology, Ethics, Aesthetics

System Cycle, Structure, Complexity, Growth, Control, Disturbance, Entropy, Chaos


These are organized by a classification scheme developed exclusively for Cosma. More…



theory : the general or abstract principles of a body of fact, a science, or an art — Webster See also OneLook, Free Dictionary, Wiktionary, Urban Dictionary


Roget’s II (, Merriam-Webster Thesaurus, Visuwords


Theory is especially often contrasted to “practice” an Aristotelian concept which is used in a broad way to refer to any activity done for the sake of action, in contrast with theory, which does not need an aim which is an action. A classical example of the distinction between theoretical and practical uses the discipline of medicine: Medical theory and theorizing involves trying to understand the causes and 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. In modern contexts, while theories in the arts and philosophy may address ideas and empirical phenomena which are not easily measurable, in modern science the term “theory”, or “scientific theory” is generally understood to refer to a proposed explanation of empirical phenomena, made in a way consistent with scientific method. Such theories are preferably described in such a way that any scientist in the field is in a position to understand and either provide empirical support (“verify”) or empirically contradict (“falsify”) it. In this modern scientific context the distinction between theory and practice corresponds roughly to the distinction between theoretical science and technology or applied science. A common distinction sometimes made in science is between theories and hypotheses, with the former being considered as satisfactorily tested or proven and the latter used to denote conjectures or proposed descriptions or models which have not yet been tested or proven to the same standard. — Wikipedia



WolframAlpha, DuckDuckGo

Metatheory is a theory whose subject matter is some theory. All fields of research share some meta-theory, regardless whether this is explicit or correct. In a more restricted and specific sense, in mathematics and mathematical logic, metatheory means a mathematical theory about another mathematical theory. — Wikipedia

Meta-Theories in Research: Positivism, Postmodernism, and Critical Realism (Filipe J. Sousa)


Importance of Theory in Science (How Stuff Works)
Scientific Laws, Hypotheses, and Theories (Jerry Wilson)



The History of Theory (Ian Hunter, Critical Inquiry)


Quotations Page


WorldCat, Library of Congress, UPenn Online Books, Open Library




OER Commons: Open Educational Resources


New Theories (Google), NPR Archives








Art Theory and Art Critics (The Art Story)


OEDILF: The Omnificent English Dictionary In Limerick Form


Song Lyrics



The End of Theory: The Data Deluge Makes the Scientific Method Obsolete (Chris Anderson, Wired)


Superstitions & Their Theories (Triangulations)



  • Who Will Survive 'Game Of Thrones' Series 8? A...
    on December 13, 2018 at 11:13 am

    Who Will Survive 'Game Of Thrones' Series 8? A New Study Could Have All The Answers  BustleIt feels like a thousand years since Game Of Thrones Series 7 ended. Ugh like, can you even remember what happened? I feel like I have flashes of memory but ... […]

  • Amazon’s plans for a New York office are under...
    on December 13, 2018 at 11:00 am

    Amazon’s plans for a New York office are under new scrutiny  The VergeA month ago, when Amazon announced that it would build regional offices in New York and Virginia at great expense to the taxpayers there, I wrote that it had ... […]

  • Avengers: Endgame: New theory points towards...
    on December 13, 2018 at 6:58 am

    Avengers: Endgame: New theory points towards Black Widow's hair to indicate time jump  PINKVILLAAs per reports, the trailer first sees the actor donning her blonde look from Infinity War. However, a curious fan noticed that there is more than what meets the ... […]

  • Poll results destroyed magic theory on PM Modi:...
    on December 13, 2018 at 5:56 am

    Poll results destroyed magic theory on PM Modi: Yashwant Sinha  The New Indian ExpressThe BJP has lost three of its bastions - Madhya Pradesh Chhattisgarh and Rajasthan - to the Congress in the just-concluded assembly polls. […]

  • In Blow To Fringe Right Theory, DOJ Official...
    on December 12, 2018 at 8:45 pm

    In Blow To Fringe Right Theory, DOJ Official Won't Testify In Front Of House Oversight  TPMTo the great disappointment of the believers of a far-right conspiracy theory about a coming crackdown on a Democratic pedophilia ring, U.S. Attorney John ... […]