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Logic Maths a condition that imposes a constraint on the possible values of a variable or on the domain of arguments of a function
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a limitation on production, sales, and export imposed by monopolies—especially international cartels—to inflate prices and obtain monopoly profits. Restrictions can also be imposed on credit.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

What does it mean when you dream about a restriction?

Any form of restriction in a dream often mirrors some frustration in the dreamer’s personal or business life. The dreamer may be imposing restrictions on himself or herself as well as on others.

The Dream Encyclopedia, Second Edition © 2009 Visible Ink Press®. All rights reserved.


(cell and molecular biology)
The degradation of foreign deoxyribonucleic acid by restriction endonucleases capable of recognizing particular patterns of specificity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


On land, an encumbrance limiting its use; usually imposed for community or mutual protection.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


A bug or design error that limits a program's capabilities, and which is sufficiently egregious that nobody can quite work up enough nerve to describe it as a feature. Often used (especially by marketroid types) to make it sound as though some crippling bogosity had been intended by the designers all along, or was forced upon them by arcane technical constraints of a nature no mere user could possibly comprehend (these claims are almost invariably false).

Old-time hacker Joseph M. Newcomer advises that whenever choosing a quantifiable but arbitrary restriction, you should make it either a power of 2 or a power of 2 minus 1. If you impose a limit of 17 items in a list, everyone will know it is a random number - on the other hand, a limit of 15 or 16 suggests some deep reason (involving 0- or 1-based indexing in binary) and you will get less flamage for it. Limits which are round numbers in base 10 are always especially suspect.
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References in periodicals archive ?
Airspace restrictions can be found using the UAS Data tool through the FAA's Open Data Initiative.
Restrictions were imposed in the Valley in the wake of abrogation of Article 370 to avoid any untoward incident.
import restrictions would substantially help in deterring "a serious situation of pillage;" and that less drastic remedies weren't available.
That's more than any other local authority in the UK besides Liverpool (17 restrictions) and Waltham Forest (also 11 restrictions).
"HIV-related travel restrictions fuel exclusion and intolerance by fostering the dangerous and false idea that people on the move spread disease," said Mandeep Dhaliwal, Director of UNDP's HIV, Health and Development Group.
FEF said the restrictions prohibit land owners from selling and mortgaging their land within the first five years of the patent grants and gives original landowners the option to buy back the property within five years from the date of sale.
The sources said even India is likely to join EU's considerations of "visa restrictions and asset freezing" on Sri Lanka, and follow suit banning Rajapaksa camp travel to India and freezing their assets in India.
In previous years, on the eve of the Independence Day Uzbek authorities imposed restrictions on foreigners visiting the country and the checkpoints were strengthened by additional forces.
In a statement of reasons, the county council said it was planning the restrictions "on behalf of Bradgate Park Trust to help reduce the amount of congestion caused by the parking associated with Bradgate Country Park especially at times when the demand for parking is high.
He added: 'In the US there is no tribal belt or places where the military is fighting militants so, the restrictions would not be logical.
The Trump administration has reserved the decision on restrictions placed on the movement of Pakistani diplomats in the United States, sources revealed on Monday.