His interest in the formal study of religion waned when he was sixteen and he substituted for it an interest in Asian affairs.

His works contain the earliest known formal study of logic, which was incorporated in the late 19th century into modern formal logic.

With the Prior Analytics, Aristotle is credited with the earliest study of formal logic, and his conception of it was the dominant form of Western logic until 19th century advances in mathematical logic.

amator, " lover ") is generally considered a person attached to a particular pursuit, study, or science, without pay and often without formal training.

The formal study of architecture in academic institutions played a pivotal role in the development of the profession as a whole, serving as a focal point for advances in architectural technology and theory.

Significant amounts of energy and time were devoted to support and foster formal study of the balalaika, from which highly skilled ensemble groups such as the Osipov State Balalaika Orchestra emerged.

It was increasingly recognized as a formal division of theological study during the 20th century.

The study of mathematical proof is particularly important in logic, and has applications to automated theorem proving and formal verification of software.

Hence for both logic and mathematics, the different formal categories are the objects of study, not the sensible objects themselves.

After this formal education, Elizabeth spent the next nine years tending to domestic duties, but with her lively mind, energy and vigour, the prospect of a solely domestic existence would not satisfy her, so she continued to study Latin and arithmetic in the mornings and also read widely.

Formalist film theory is a theory of film study that is focused on the formal, or technical, elements of a film: i. e., the lighting, scoring, sound and set design, use of color, shot composition, and editing.

The mathematical roots of the idea of fractals have been traced through a formal path of published works, starting in the 17th century with notions of recursion, then moving through increasingly rigorous mathematical treatment of the concept to the study of continuous but not differentiable functions in the 19th century, and on to the coining of the word fractal in the 20th century with a subsequent burgeoning of interest in fractals and computer-based modelling in the 21st century.

The formal study of grammar is an important part of education for children from a young age through advanced learning, though the rules taught in schools are not a " grammar " in the sense most linguists use the term, particularly as they are often prescriptive rather than descriptive.

Despite the formal disapproval of religious authority, the segregation of women in Muslim societies and the strong emphasis on male virility leads adolescent males and unmarried young men to seek sexual outlets with boys younger than themselves — in one study in Morocco, with boys in the age-range 7 to 13.

The field includes both the mathematical study of logic and the applications of formal logic to other areas of mathematics.

The unifying themes in mathematical logic include the study of the expressive power of formal systems and the deductive power of formal proof systems.

The mathematical field of category theory uses many formal axiomatic methods, and includes the study of categorical logic, but category theory is not ordinarily considered a subfield of mathematical logic.

Objects of study in model theory are models for formal languages which are structures that give meaning to the sentences of these formal languages.

Natural language is distinguished from constructed languages and formal languages such as computer-programming languages or the " languages " used in the study of formal logic, especially mathematical logic.

The formal design and study of type systems is known as type theory.

A formal academic study of the Patterson film was conducted by Dmitri Donskoy, Chief of the Dept.

Although the term “ biochemistry ” seems to have been first used in 1882, it is generally accepted that the formal coinage of biochemistry occurred in 1903 by Carl Neuberg, a German chemist.

There is no evidence that the term was a title that had any practical use, with implications of formal rights, powers and office, or even that it had any existence before the 9th-century.

In the United States the term bankruptcy is applied more broadly to formal insolvency proceedings.

In 3 dimensions, a differential 0-form is simply a function f ( x, y, z ); a differential 1-form is the following expression: a differential 2-form is the formal sum: and a differential 3-form is defined by a single term: ( Here the a-coefficients are real functions ; the " wedge products ", e. g. can be interpreted as some kind of oriented area elements,, etc.

The term convention is also used in international law to refer to certain formal statements of principle such as the Convention on the Rights of the Child.

Considerable controversy exists over the proper definition of the term " desertification " for which Helmut Geist ( 2005 ) has identified more than 100 formal definitions.

Because of the negative associations, modern leaders very rarely ( if ever ) use the term in their formal titles.

A value expressed using an encoding scheme may thus be a token selected from a controlled vocabulary ( for example, a term from a classification system or set of subject headings ) or a string formatted in accordance with a formal notation, for example, " 2000-12-31 " as the ISO standard expression of a date.

He referred to the amoeba he observed microscopically as ' Amoeba coli '; however it is not clear whether he was using this as a descriptive term or intended it as a formal taxonomic name.

Although derived from the Latin word feodum or feudum ( fief ), then in use, the term feudalism and the system it describes were not conceived of as a formal political system by the people living in the medieval period.

Donald Knuth notes that Hans Peter Luhn of IBM appears to have been the first to use the concept, in a memo dated January 1953, and that Robert Morris used the term in a survey paper in CACM which elevated the term from technical jargon to formal terminology.

In modern formal classifications, the term is considered obsolete ; the microorganisms previously included in the Infusoria are mostly assigned to the kingdom Protista.

By analogy, the term letter is sometimes used for e-mail messages with a formal letter-like format.

The term " Lay Midwife " has been used to designate an uncertified or unlicensed traditional midwife who was educated through informal routes such as self-study or apprenticeship rather than through a formal program.

In the Cold War context, the term was and is most commonly used by anti-Communists as an accusation of formal fallacy for leftist criticisms of United States foreign policy and military conduct.

Though the term has fallen into disfavor among botanists as a formal way to categorize " useless " plants, the informal use of the word " weeds " to describe those plants that are deemed worthy of elimination is illustrative of the general tendency of people and societies to seek to alter or shape the course of nature.

Thus each polynomial is actually equal to the sum of the terms used in its formal expression, if such a term a < sub > i </ sub > X < sup > i </ sup > is interpreted as a polynomial that has zero coefficients at all powers of X other than X < sup > i </ sup >.

However, the state of matter and phase diagram usages are not commensurate with the formal definition given above and the intended meaning must be determined in part from the context in which the term is used.

In these contexts, it can sometimes explicitly include contaminants that are man-made, which contradicts most formal definitions of the term " toxin ".

In the Canadian Forces the term also has several less formal connotations.

However, Latin, not German, was the formal legal language of the medieval Empire (), so English-speaking historians are more likely to use Latin than German as a term for this period of German history.

The term syntax is also used to refer to the rules governing the behavior of mathematical systems, such as formal languages used in logic.

The term variable arises due to the interest mathematicians, logicians, philosophers of language, theoretical linguists and computer language designers have in formal language representations of natural language.