Precession of the equinoxes, perihelion precession, and changes in the tilt of the Earth's axis to its orbit, and the eccentricity of its orbit over tens of thousands of years are all important parts of the astronomical theory of ice ages.

More exactly, sidereal time follows the vernal equinox, which is not quite fixed among the stars ; Precession and nutation shift the equinox slightly from one day to the next, so sidereal time is not an exact measure of the rotation of the Earth relative to inertial space.

Accordingly, it is the aim of this essay to advance a new theory of imitation ( which I shall call mimesis in order to distinguish it from earlier theories of imitation ) and a new theory of invention ( which I shall call symbol for reasons to be stated hereafter ).

The central concern of Erich Auerbach's impressive volume called Mimesis is to describe the shift from a classic theory of imitation ( based upon a recognition of levels of truth ) to a Christian theory of imitation in which the levels are dissolved.

This, of course, results from the non-systematic, ' cellular ' character of Ptolemaic theory.

We may thus trace the notion of individual autonomy from its manifestation in religious practice and theological reflection through practical politics and political theory into literature and the arts.

Again the student of evolutionary biology will find a fascinating, if to our minds grotesque, anticipation of the theory of chance variations and the natural elimination of the unfit in Lucretius, who in turn seems to have borrowed the concept from the philosopher Empedocles.

The point is that an ethical critic, with an assist from Freud, can seize on this theory to argue that tragedy provides us with a harmless outlet for our hostile urges.

In the face of a clear judgment from archaeology, therefore, it became impossible for a time for scholars to re-adopt the `` shore settled by '' theory.

Philosophy can prevent the working scientist from becoming slothful and self-content by noting the assumptions and level at which a hypothesis or theory is framed.

The dissection of scientific theory, the examination of a theory from the vantage-points of language, epistemology, and ethics, is itself a distinct contribution to knowledge, no less so because of its removal from empirical research.

Social theory has no more right to expect results from meaningless questions, than physics has the right to expect a theological solution to the wave-particle controversy.

In the second-order theory, one of the normal stress differences can be calculated from the first-order stress relaxation function.

Unless one takes refuge in the theory -- however disguised -- that Negroes are, somehow, different from white people, I do not see how one can escape the conclusion that the Negro's status in this country is not only a cruel injustice but a grave national liability.

It is borne out also by the absence of any developed theory about how sin passes from one generation to the next.

* Scholarly surveys of focused topics from the Stanford Encyclopedia of Philosophy: articles on Aristotle, Aristotle in the Renaissance, Biology, Causality, Commentators on Aristotle, Ethics, Logic, Mathematics, Metaphysics, Natural philosophy, Non-contradiction, Political theory, Psychology, Rhetoric

Two related strands of research on altruism have emerged from traditional evolutionary analyses and from game theory.

The evolution of the Greek art seems to go parallel with the Greek philosophical conceptions, which changed from the natural-philosophy of Thales to the metaphysical theory of Pythagoras.

" Thus Boolos and Jeffrey are saying that an algorithm implies instructions for a process that " creates " output integers from an arbitrary " input " integer or integers that, in theory, can be chosen from 0 to infinity.

Another theory by Yule and Burnell ( 1886 ) is based on an entry in the Catalogue of Indian Serpents from the Leyden Museum ( Ray, 1693 ) that reads: Anacondaia Zeylonensibus, id est Bubalorum aliorumque jumentorum membra conterens, meaning " the anacondaia of the Ceylonese, i. e. he that crushes the limbs of buffaloes and yoke beasts.

Finally we may note that the idea appears in educational theory where its influence is at present widespread.

" Likewise, for example, there is the behaviorist theory of education that comes from educational psychology and the functionalist theory of education that comes from sociology of education.

For example, it might study what constitutes upbringing and education, the values and norms revealed through upbringing and educational practices, the limits and legitimization of education as an academic discipline, and the relation between education theory and practice.

Some of the Myers-Briggs temperaments are known to despise educational material that lacks theory.

For example, educational psychologists have conducted research on the instructional applicability of Jean Piaget's theory of development, according to which children mature through four stages of cognitive capability.

Social cognitive theory is a highly influential fusion of behavioral, cognitive and social elements that was initially developed by educational psychologist Albert Bandura.

Elaborating on Vygotsky's theory, Jerome Bruner and other educational psychologists developed the important concept of instructional scaffolding, in which the social or information environment offers supports for learning that are gradually withdrawn as they become internalized.

Although, originally, educational measurement methods were built on classical test theory, item response theory and Rasch models are now used extensively in educational measurement worldwide.

Most of the research on Piagetian theory was mainly tested and done by American educational psychologists

It is a hypothesis of second language acquisition theory, and a field of interest in educational psychology

John Darling's 1994 book Child-Centered Education and its Critics argues that the history of modern educational theory is a series of footnotes to Rousseau, a development he regards as bad.

As our understanding of the brain and learning develop we should expect that the educational theory debate will gradually be replaced by a neuroscience-based theory of learning.

Multiple intelligences is an educational theory developed by psychologist Howard Gardner which suggests that different kinds of intelligence exists in human beings.

Criticism of learning theories that underlie traditional educational practices claims there is no need for such a theory ; that the attempt to comprehend the process of learning through theory construction creates more problems and inhibits personal freedom.

Branches of management theory also exist relating to nonprofits and to government: such as public administration, public management, and educational management.

Although Haeckel's specific form of recapitulation theory is now discredited among biologists, it had a strong influence on social and educational theories of the late 19th century.

Psychometrics is the field of study concerned with the theory and technique of psychological measurement, which includes the measurement of knowledge, abilities, attitudes, personality traits, and educational measurement.

* Prepare candidates who understand educational theory, research, best practices and the use of various technologies, and how to apply this knowledge in diverse school settings and communities.

Bioinformatics also deals with algorithms, databases and information systems, web technologies, artificial intelligence and soft computing, information and computation theory, structural biology, software engineering, data mining, image processing, modeling and simulation, discrete mathematics, control and system theory, circuit theory, and statistics.

Much of anthropological theory has originated in an appreciation of and interest in the tension between the local ( particular cultures ) and the global ( a universal human nature, or the web of connections between people in distinct places / circumstances ).

The Langlands program is a far-reaching web of these ideas of ' unifying conjectures ' that link different subfields of mathematics, e. g. number theory and representation theory of Lie groups ; some of these conjectures have since been proved.

The theory did at one time appear on the Star Trek web site, and would explain the connection between the Romulans and Roman mythology, as well as the institutions of Roman government.

' Science ' consists of a weird, way-out occult concoction of gibberish theory-theology ... unrelated to the real world of facts, technology and inventions, tall buildings and fast cars, airplanes and other Real and Good things in life ; technology is not in any way related to the web of idiotic scientific theory.

" Food web theory centers around the idea of connectance.

The Langlands program is a web of far-reaching and influential conjectures that relate Galois groups in algebraic number theory to automorphic forms and representation theory of algebraic groups over local fields and adeles.

In fact the Langlands program ( or philosophy ) is much more like a web of unifying conjectures ; it really does postulate that the general theory of automorphic forms is regulated by the L-groups introduced by Robert Langlands.

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* Ross's three part paper on the theory of epidemics is available on the web

Wilson's theory has been widely repeated in other true crime books and web sites.

Some tendencies in the behaviour of web users are easily understood from the information foraging theory standpoint.

But the real impact has been a video that has garnered hundreds of thousands of hits on the web ( in which congressman ) Mike Castle, address ( es ) a town hall meeting on health care in Delaware last month when a woman suddenly stands up waving a bunch of papers ... The encounter was a warning to Republican officials how far the conspiracy theory has permeated parts of their party.

In addition, the Persuasive Technology Lab at Stanford University has studied web credibility and proposed the principal components of online credibility and a general theory called Prominence-Interpretation Theory.

Web structure mining is the process of using graph theory to analyze the node and connection structure of a web site.

In addition to research on global workspace theory with Professor Stan Franklin and others, Baars is working to re-introduce the topic of the conscious brain into the standard college and graduate school curriculum, by writing college textbooks and general audience books, web teaching, advanced seminars and course videos.

Thus, it will be important in the future to incorporate food web theory into the future study of the effects of biodiversity.

As an example, the 2009 edition events were: artificial intelligence, theory of computation & algorithms, operations research, mathematics & logic, team software engineering, web design, assembly, debugging, scripting, sports.

This reflects co-founder Paul Graham's theory that between free software, dynamic languages, the web, and Moore's Law, the cost of founding an information technology startup has greatly decreased.

Beam theory shows that the-shaped section is a very efficient form for carrying both bending and shear loads in the plane of the web.