They have proved foundational in areas ranging from software design to software metrics, and indeed have passed into the vernacular of the discipline.

Elsewhere it proved a negative variable, even in areas with a sizeable Jewish presence such as Leeds or Manchester.

It has proved useful in several areas of finance, including capital structuring, portfolio management and risk management, to name just a few.

"We've been able to prove some assortments in areas like holiday décor, fitness equipment and toys would sell," he said.

There are several special properties that an ultrafilter on ω may possess, which prove useful in various areas of set theory and topology.

And indeed, enemy resistance proved surprisingly light in most areas.

This program has proven so successful in urban areas, that, thankfully, many suburban school districts nationwide have instituted the program as well.

Elbegdorj, who served twice as prime minister, campaigned on a theme of anti-corruption and a need for change which proved popular in urban areas.

This method has proven successful in areas, where constant radio contact for pagers can not be guaranteed, i.e. in mountainous areas.

Then he plays a tourist game: being made an honorary knight by proving his skills in several areas, including arm-wrestling, archery and 14th-century dancing.