Informal applications of set theory in other fields are sometimes referred to as applications of " naive set theory ", but usually are understood to be justifiable in terms of an axiomatic system ( normally the Zermelo – Fraenkel set theory ).

Informal records are produced of individual transactions, and a running tally of the amount owed by one broker to another is kept.

Informal, scientific descriptions of fish are represented within the Judeo-Christian tradition.

* Informal: Informal norms are not necessarily laws set in writing, but are more so just routines that people follow in everyday life.

Informal controls are varied and differ from individual to individual, group to group and society to society.

Informal proofs are the type of proof typically encountered in published mathematics.

Sunday services are at 8 am ( BCP Holy Communion ), 9. 15 ( Informal Communion service with Sunday School for younger children ).

Informal tourneys are often run by problem magazines and other publications with a regular problem section ; it is common for every problem to have been published in a particular magazine within a particular year to be eligible for an informal award.

Informal practices are usually understood intuitively and justified with examples — there are no axioms.

# Mission and Vision Statements and Customer ( Client ) Surveys are the most used ( by 77 % of organizations of 20 improvement tools, followed by SWOT analysis ( 72 %), and Informal Benchmarking ( 68 %).

# The tools that are likely to increase in popularity the most over the next three years are Performance Benchmarking, Informal Benchmarking, SWOT, and Best Practice Benchmarking.

Informal and Formal Communication are used in an organization.

Informal writing sometimes omits the definition of the index and bounds of summation when these are clear from context, as in:

Informal services that involve savings are also risky ; many people lose their money.

Informal " real-world " mathematical problems are questions related to a concrete setting, such as " Adam has five apples and gives John three.

Informal performances are quite the opposite.

Informal group savings and loan associations are also traditional in many east Asian societies, and under the name of tontines are found in Cambodia, and among emigrant Cambodian communities.

According to an FCC document created during the " Informal Government-Industry Technical Conference " on March 26, 1951:

The National Science Teachers Association has created a position statement on Informal Science Education to define and encourage science learning in many contexts and throughout the lifespan.

* < i > Nano </ i > mini-exhibition, created by the Nanoscale Informal Science Education Network

Informal references by the general public and media have used to refer to celebrities as: The stars, sports stars, rock stars, rap stars, supermodels, movie stars, TV stars, radio stars, music stars, superstars, stardom, and media personalities.

Completed by P. Schuyler Miller and John D. Clark, the chronology was later revised by Clark and L. Sprague de Camp in An Informal Biography of Conan the Cimmerian ( 1952 ).

Informal discussions with colleagues and friends stimulated a greater interest, which was reinforced by Friedrich Hayek's powerful book The Road to Serfdom, by my attendance at the first meeting of the Mont Pelerin Society in 1947, and by discussions with Hayek after he joined the university faculty in 1950.

An Informal Payment System and Its Use to Finance Terrorism by Sebastian R. Müller ( December 2006 ), ISBN 3-86550-656-9

Informal, de facto orthographies of spoken varieties of Arabic also use ha to indicate a shorter version of alif, a usage augmented by the ambiguity of the use of ha and taa marbuta in formal Arabic orthography, and also a formal orthography in some languages that use Arabic script, such as Kurdish orthography

It was accepted by the Geneva Informal Meeting, GIM.

British commercial interests in South America, which comprised a valuable component of the Informal Empire that accompanied Britain's imperial possessions, and the economic importance of the United States as a trading partner, ensured that intervention by Britain's rival European powers could not engage with the Americas.

An Informal Biography of Scrooge McDuck by science fiction author Jack Chalker used names and events in the Barks stories ( and a very few non-Barks ones ) to create a life story for McDuck.

* " THE KERNEL OF GREATNESS: An Informal Bicentennial History of Bedford County ( Pennsylvania )", by Bedford County Heritage Commission ( Author ), B / W Illus ( Illustrator ), 1971, ASIN B000KYDYOE

Informal tournaments can be organized by a group of friends ; for example, most colleges feature poker tournaments.

From With Good Reason: An Introduction to Informal Fallacies by S. Morris Engel, Fifth Edition, pg.

In 2010, the National Academies released Surrounded by Science: Learning Science in Informal Environments, based on the National Research Council study, Learning Science in Informal Environments: People, Places, and Pursuits.

The first popular account of Mickey Finn was given by Herbert Asbury in his 1940 book Gem of the Prairie: An Informal History of the Chicago Underworld.

Informal mathematics means any informal mathematical practices, as used in everyday life, or by aboriginal or ancient peoples, without historical or geographical limitation.

Informal learning may be assisted by a teacher occupying a transient or ongoing role, such as a family member, or by anyone with knowledge or skills in the wider community setting.

* Informal and psychological – used in reference to the quality of cognitive faculties and adjudicational capabilities of particular individuals, typically called wisdom or discernment.

Informal relationships vary: the upper classes of all ethnic backgrounds mix freely ; outside of the elite, social relations tend to remain within ethnic groupings.

Informal stops exists for the short destination rides all alongside the way from Central Station to the town of destination.

** Informal tu is dropped entirely in most regions, along with all second-person singular verbal inflections.

Informal AARs are extremely important since they involve all soldiers and leaders in the participating unit.

Informal economies include garment workers working from their homes, as well as informally employed personnel of formal enterprises.

Informal relationships develop on their own between partners.

Informal competitions to build the highest tower of soda cans are not uncommon, and people have been spotted having their own private mini-rave-parties put together by a few people and a PC with PA Systems.

Uhuru Kenyatta launched the Fund for the Inclusion of Informal Sector ( FIIS ) which is a fund that allows Micro and Small Entrepreneurs ( MSE ) to access credit facilities, expand their businesses and increase their savings.

* Informal name for a car boot sale, a market where people sell unwanted possessions from their cars

Informal internet competitions are also popular where pilots upload their GPS data files and are automatically scored based on factors such as distance, achieved speed and whether the task flown was declared in advance.