Towards the end of the Middle Ages, many philosophers, such as Nicholas of Cusa and Francisco Suarez, propounded similar theories.

Natural law theories have, however, exercised a profound influence on the development of English common law, and have featured greatly in the philosophies of Thomas Aquinas, Francisco Suárez, Richard Hooker, Thomas Hobbes, Hugo Grotius, Samuel von Pufendorf, John Locke, Francis Hutcheson, Jean Jacques Burlamaqui, and Emmerich de Vattel.

Wilson's theories have been used to justify the implementation of zero tolerance policies by many prominent American mayors, most notably Oscar Goodman in Las Vegas, Richard Riordan in Los Angeles, Rudolph Giuliani in New York City and Gavin Newsom in San Francisco.

There were even different theories as to whom would have been the target of such an assassination, as Francisco de Sá Carneiro was travelling with the Defence Minister, Adelino Amaro da Costa, who had said he had documents relating to the October surprise conspiracy theory and was planning on taking them to the United Nations General Assembly.

Some theories suggest that Alfonso's biological father might have been either Enrique Puigmoltó y Mayans, Captain of the Royal Guard, or General Francisco Serrano.

A popular anti-drug program provided free to schools in San Francisco and elsewhere teaches concepts straight out of the Church of Scientology, including medical theories that some addiction experts described as " irresponsible " and " pseudoscience.

During the 150 years since the Sulphur Bank was discovered, the area has drawn geologists, inspired unique scientific theories, established constitutional case law and now attracts environmental scientists who study the impact of mercury contamination within the Cache Creek watershed of northern California and the Sacramento River-Delta Region and San Francisco Bay.

This can only be for one of two reasons: either the two are quite different and will require totally different theory ( and hence techniques ), or our existing theories are insufficiently general.

Other theories of origin are compatible with the formulaic theory: Beowulf may contain a design for terror, and The Iliad may have a vast hysteron-proteron pattern answering to a ceramic pattern produced during the Geometric Period in pottery.

These scientists are convinced that a telescope unclouded by the earth's gases will go a long way toward bolstering or destroying cosmic theories.

Tylor in particular laid the groundwork for theories of cultural diffusionism, stating that there are three ways that different groups can have similar cultural forms or technologies: " independent invention, inheritance from ancestors in a distant region, transmission from one race to another.

This section gives examples of mathematical theories that are developed entirely from a set of non-logical axioms ( axioms, henceforth ).

Basic theories, such as arithmetic, real analysis and complex analysis are often introduced non-axiomatically, but implicitly or explicitly there is generally an assumption that the axioms being used are the axioms of Zermelo – Fraenkel set theory with choice, abbreviated ZFC, or some very similar system of axiomatic set theory like Von Neumann – Bernays – Gödel set theory, a conservative extension of ZFC.

Sometimes slightly stronger theories such as Morse-Kelley set theory or set theory with a strongly inaccessible cardinal allowing the use of a Grothendieck universe are used, but in fact most mathematicians can actually prove all they need in systems weaker than ZFC, such as second-order arithmetic.

A number of theories have been proposed to explain the two figures, and there are occasional references to them in popular culture.

Other theories about Acts ' sources are more controversial.

Practical applications are made impossible due to the no-cloning theorem, and the fact that quantum field theories preserve causality, so that quantum correlations cannot be used to transfer information.

In addition to omitting the axiom of regularity, non-standard set theories have indeed postulated the existence of sets that are elements of themselves.

To Popper, science does not rely on induction, instead scientific investigations are inherently attempts to falsify existing theories through novel tests.

Evolutionary aesthetics refers to evolutionary psychology theories in which the basic aesthetic preferences of Homo sapiens are argued to have evolved in order to enhance survival and reproductive success.

Some philosophers who have had more noteworthy theories are Parmenides, Leucippus, Plato, Aristotle, Augustine, Plotinus, Aquinas, Descartes, Spinoza, Leibniz, Hegel, Heidegger, and Sartre.

There are currently three etymological theories of the name Euskara that are taken seriously by linguists and Vasconists which are discussed in detail on the Basque people page.

There are several theories concerning the origin of the name banjo.

There is some uncertainty as to how Deutero-Isaiah and Trito-Isaiah came to be attached to the original Isaiah: the two competing theories are either that Deutero-Isaiah was written as a continuation of Proto-Isaiah, or that it was written separately and became attached to the famous Isaiah later.

Although the Ezra theory is disputed, no other authorship theories are dominant.

This is different from other field theories like electromagnetism, which do not have any friction or resistivity at the microscopic level, because they are time-reversible.

There are several competing theories, none of which is definitive.

There are two main theories to explain this.

It is commonly believed that this matching is unlikely to be a coincidence, and is often quoted as one of the main motivations to further investigate supersymmetric theories despite the fact that no supersymmetric partner particles have been experimentally observed ( March 2011 ).

Menger did not embrace this hedonic conception, explained diminishing marginal utility in terms of subjective prioritization of possible uses, and emphasized disequilibrium and the discrete ; further Menger had an objection to the use of mathematics in economics, while the other two modeled their theories after 19th century mechanics.

Some theories further generalize the idea to include such things as unbounded polytopes ( apeirotopes and tessellations ), and abstract polytopes.

On this view, those who offer reliabilist theories of justification further analyze the ' justification ' part of the traditional analysis of ' knowledge ' in terms of reliable processes.

In 1998, Kurzweil published The Age of Spiritual Machines, which focuses heavily on further elucidating his theories regarding the future of technology, which themselves stem from his analysis of long-term trends in biological and technological evolution.

Proponents of several of the theories below have gone further to assert that there are yet other issues necessary to the analysis, such as interpersonal power struggles, community interactions, personal biases and other factors involved in deciding what is seen as truth.

Scientists use theories as a foundation to gain further scientific knowledge, as well as to accomplish goals such as inventing technology or curing disease.

Some supersymmetric theories require a cosmological constant that is exactly zero, which further complicates things.

Therefore, further technological and conceptual advances are needed to test aspects of these theories.

Physicists from across Europe ( and sometimes further abroad ) often visited the Institute to confer with Bohr on new theories and discoveries.

The main theories for the formation of ectopic endometrium are retrograde menstruation, müllerianosis, coelomic metaplasia and transplantation, each further described below.

It should be further noted that in these theories anthropologists are generally concerned solely with brother – sister incest, and are not claiming that all sexual relations among family members are taboo or even necessarily considered incestuous by that society.

These theories are further complicated by the fact that in many societies people related to one another in different ways, and sometimes distantly, are classified together as siblings, and others who are just as closely related genetically are not considered family members.

Valentine uses his computer to further advance the ideas proposed by Thomasina, and discusses the concept of entropy, and whether or not it was Thomasina or Septimus who was the genius behind the theories.

Foolishly, he disregards searching for further proof of his theories, and, hoping for fame, he announces on TV his theory that Lord Byron killed Ezra Chater in a duel.

To further his literary theories, he wrote more than 20 solemn ceremonial odes, notably the Evening Meditation on the God's Grandeur.

Formal innovation characterised Mon oncle d ' Amérique ( My American Uncle ) ( 1980 ) in which the theories of the neurobiologist Henri Laborit about animal behaviour are juxtaposed with three interwoven fictional stories ; and a further counterpoint to the fictional characters is provided by the inclusion of film extracts of the classic French film actors with whom they identify.

Additionally, many theories were developed which showed that the free market would produce the socially optimum equilibrium with regard to production of goods and services, such as the fundamental theorems of welfare economics and general equilibrium theory, which helped prove further that government intervention could only result in making society worse off ( see Pareto efficient ).

Although their identity is still a matter of debate, some theories posit that they spoke an Afro-Asiatic language, and that they separated from the Berbers in North Africa and moved into Spain and then further north to the south of modern-day France.

The kinds of exploitation described by other theories ( see further below ) are usually called " super-exploitation "— exploitation that goes beyond the normal standards of exploitation prevalent in capitalist society.

Some Marxian theories of imperialism extend this kind of structural theory of exploitation further, positing exploitation of poor countries by rich capitalist ones ( or by transnational corporations ).

In his book, The Unfolding Tradition, he describes and analyzes fifteen theories of Jewish law within the Conservative Movement with comparisons to theories on the right in Orthodoxy and on the left in Reform Judaism and yet further left.

Acceptance of UFO theories by the larger scientific community is further hindered by the many possible hoaxes associated with UFO culture.