Hierarchical epistemology is a theory of knowledge which posits that beings have different access to reality depending on their ontological rank.
Reality is the sum or aggregate of all that is real or existent, as opposed to that which is merely imaginary. The term is also used to refer to the ontological status of things, indicating their existence. In physical terms, reality is the totality of the universe, known and unknown. Philosophical questions about the nature of reality or existence or being are considered under the rubric of ontology, which is a major branch of metaphysics in the Western philosophical tradition. Ontological questions also feature in diverse branches of philosophy, including the philosophy of science, philosophy of religion, philosophy of mathematics, and philosophical logic. These include questions about whether only physical objects are real, whether reality is fundamentally immaterial, whether hypothetical unobservable entities posited by scientific theories exist, whether God exists, whether numbers and other abstract objects exist, and whether possible worlds exist.
A conspiracy theory is the fear of a nonexistent or alleged conspiracy or the unnecessary assumption of conspiracy when other explanations are more probable. Evidence showing it to be false, or the absence of proof of the conspiracy, is interpreted by believers as evidence of its truth, thus insulating it from refutation.
Game theory is the study of mathematical models of strategic interaction between rational decision-makers. It has applications in all fields of social science, as well as in logic and computer science. Originally, it addressed zero-sum games, in which one person's gains result in losses for the other participants. Today, game theory applies to a wide range of behavioral relations, and is now an umbrella term for the science of logical decision making in humans, animals, and computers.
Mathematics includes the study of such topics as quantity, structure, space, and change.
Physics is the natural science that studies matter, its motion, and behavior through space and time, and that studies the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.
Quantum mechanics, including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
Set theory is a branch of mathematical logic that studies sets, which informally are collections of objects. Although any type of object can be collected into a set, set theory is applied most often to objects that are relevant to mathematics. The language of set theory can be used to define nearly all mathematical objects.
In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. It describes how these strings propagate through space and interact with each other. On distance scales larger than the string scale, a string looks just like an ordinary particle, with its mass, charge, and other properties determined by the vibrational state of the string. In string theory, one of the many vibrational states of the string corresponds to the graviton, a quantum mechanical particle that carries gravitational force. Thus string theory is a theory of quantum gravity.
Systems theory is the interdisciplinary study of systems. A system is a cohesive conglomeration of interrelated and interdependent parts that is either natural or man-made. Every system is delineated by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose or nature and expressed in its functioning. In terms of its effects, a system can be more than the sum of its parts if it expresses synergy or emergent behavior. Changing one part of the system usually affects other parts and the whole system, with predictable patterns of behavior. For systems that are self-learning and self-adapting, the positive growth and adaptation depend upon how well the system is adjusted with its environment. Some systems function mainly to support other systems by aiding in the maintenance of the other system to prevent failure. The goal of systems theory is systematically discovering a system's dynamics, constraints, conditions and elucidating principles that can be discerned and applied to systems at every level of nesting, and in every field for achieving optimized equifinality.
The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity. Special relativity applies to elementary particles and their interactions, describing all their physical phenomena except gravity. General relativity explains the law of gravitation and its relation to other forces of nature. It applies to the cosmological and astrophysical realm, including astronomy.
A theory is a contemplative and rational type of abstract or generalizing thinking, or the results of such thinking. Depending on the context, the results might, for example, include generalized explanations of how nature works. The word has its roots in ancient Greek, but in modern use it has taken on several related meanings.
Occam's razor is the problem-solving principle that essentially states that "simpler solutions are more likely to be correct than complex ones." When presented with competing hypotheses to solve a problem, one should select the solution with the fewest assumptions. The idea is attributed to English Franciscan friar William of Ockham, a scholastic philosopher and theologian.
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward one another. On Earth, gravity gives weight to physical objects, and the Moon's gravity causes the ocean tides. The gravitational attraction of the original gaseous matter present in the Universe caused it to begin coalescing, forming stars – and for the stars to group together into galaxies – so gravity is responsible for many of the large-scale structures in the Universe. Gravity has an infinite range, although its effects become increasingly weaker on farther objects.
The Frankfurt School is a school of social theory and critical philosophy associated with the Institute for Social Research, at Goethe University Frankfurt. Founded in the Weimar Republic (1918–33), during the European interwar period (1918–39), the Frankfurt School comprised intellectuals, academics, and political dissidents who were ill-fitted to the contemporary socio-economic systems of the 1930s. The Frankfurt theoreticians proposed that social theory was inadequate for explaining the turbulent political factionalism and reactionary politics occurring in ostensibly liberal capitalist societies in the 20th century. Critical of capitalism and of Marxism–Leninism as philosophically inflexible systems of social organisation, the School's critical theory research indicated alternative paths to realising the social development of a society and a nation.
Marxism is a theory and method of working class self-emancipation. As a theory, it relies on a method of socioeconomic analysis that views class relations and social conflict using a materialist interpretation of historical development and takes a dialectical view of social transformation. It originates from the works of 19th-century German philosophers Karl Marx and Friedrich Engels.
QAnon is a far-right conspiracy theory detailing a supposed secret plot by an alleged "deep state" against U.S. President Donald Trump and his supporters. The theory began with an October 2017 post on the anonymous imageboard 4chan by someone using the tripcode Q, a presumably American individual that may have later grown to include multiple individuals, claiming to have access to classified information involving the Trump administration and its opponents in the United States. The user has falsely accused numerous liberal Hollywood actors, politicians, and high-ranking officials of engaging in an international child sex trafficking ring, and that Donald Trump feigned collusion with Russians to enlist Robert Mueller to join him in exposing the ring and preventing a coup d'état by Barack Obama, Hillary Clinton and George Soros. "Q" is a reference to the top-secret Q clearance.
The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady, both of whom serve as executive producers on the series, along with Steven Molaro. All three also serve as head writers. The show premiered on CBS on September 24, 2007. The twelfth and final season, which will run through 2018–19, premiered on September 24, 2018, consisting of 24 episodes.
Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena. This is in contrast to experimental physics, which uses experimental tools to probe these phenomena.
Criminology is the scientific study of the nature, extent, management, causes, control, consequences, and prevention of criminal behavior, both on individual and social levels. Criminology is an interdisciplinary field in both the behavioral and social sciences, which draws primarily upon the research of sociologists, psychologists, philosophers, psychiatrists, biologists, social anthropologists, as well as scholars of law.
Critical theory is the reflective assessment and critique of society and culture by applying knowledge from the social sciences and the humanities. As a term, critical theory has two meanings with different origins and histories: the first originated in sociology and the second originated in literary criticism, whereby it is used and applied as an umbrella term that can describe a theory founded upon critique; thus, the theorist Max Horkheimer described a theory as critical insofar as it seeks "to liberate human beings from the circumstances that enslave them."
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