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Topic: Union (sets)

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Set theory

Propositional logic

Boolean algebra

Exclusive disjunction

Logical disjunction

Commutative operation

Logical conjunction

DeMorgans Law

Logic

	Union (set theory)
		The number 9 is not contained in the union of the set of prime numbers {2,3,5,7,11,...} and the set of even numbers {2,4,6,8,10,...}, because 9 is neither prime nor even.
		The empty set is an identity element for the operation of union.
		That this union of M is a set no matter how large a set M itself might be, is the content of the axiom of union in formal set theory.
	www.ebroadcast.com.au /lookup/encyclopedia/un/Union_(sets).html (654 words)

	Sets
		Important operations on disjoint sets are finding which set a given element belongs to, and creating a union of two sets (why is intersection not very important for disjoint sets?).
		That’s one of the objects that belongs to the set.
		If we represent sets as trees where the root is the representative and every node points to its parent while the root points to itself, and apply a couple of heuristics, we can get asymptotically faster disjoint-set implementation.
	www.owlnet.rice.edu /~comp314/lec/week5/Sets.htm (693 words)

	Disjoint union - Wikipedia, the free encyclopedia
		In set theory, a disjoint union (or discriminated union) is a union of a collection of sets whose members are pairwise disjoint.
		is canonically embedded in the disjoint union as the set
		This notation is meant to be suggestive of the fact that the cardinality of the disjoint union is the sum of the cardinalities of the terms in the family.
	en.wikipedia.org /wiki/Disjoint_union (335 words)

	Ontolingua Theory KIF-SETS
		A proper set is a set that cannot be a member of another set.
		Sets are mutually-disjoint if and only if there is no object that is a member of all of the sets.
		The set of all of subsets of a bounded set is also a bounded set.
	www-ksl.stanford.edu /htw/dme/thermal-kb-tour/kif-sets.html (1034 words)

	Sets and Sentence Analysis
		A set also may be specified by citing an attribute or property comprising a criterion on the basis of which things are collected together as a set.
		In identifying the set of those elements of D that are used in writing, one of the two individuals included the dictionary, in addition to the paper and pencil, while the other included the eraser.
		Sets, however, include no relationship of order among their elements, and in languages such as English, the order the words in a sentence is important.
	web.uvic.ca /~ling48x/ling484/notes/sets.html (6222 words)

	[No title]
		Union officials say there are 465 members in Akron.
		Union employees have been working on a day-to-day basis since the current three-year contract expired in July.
		Union members have already authorized strikes, if necessary, and the steelworkers said Goodyear must address plant security and retiree health care to continue negotiations.
	www.wkyc.com /news/regional/akron_article.aspx?storyid=57497 (187 words)

	Union sets out station safety timetable - theage.com.au
		The rail union is considering forming alliances with community groups in a bid to keep up pressure on the State Government to return staff to all of Melbourne's stations.
		The Rail, Tram and Bus Union plans to put a proposal to the Government that station staff are progressively returned to Melbourne's 130 unstaffed stations by the opening of the Commonwealth Games in 2006.
		While the rail union and the Police Association welcomed the Government's initiative, they say the only way to reduce crime and restore confidence is to restaff the stations.
	www.theage.com.au /articles/2003/03/15/1047583740436.html (589 words)

	Sets
		are sets and the objects in the set denoted by
		is a subset of the set denoted by
		It asserts that there is a set that associates every bounded set with a distinguished element of that set.
	logic.stanford.edu /kif/hypertext/node23.html (511 words)

	Union sets strike vote - Pittsburgh Tribune-Review
		He called on the union to take the county's last contract offer to rank-and-file members for a vote before any strike decision is reached.
		The county and union have not met since negotiations broke off Feb. 27 when commissioners rejected a proposal tendered by a state mediator.
		The union contends that health insurance package is inferior to the plan they currently have.
	www.pittsburghlive.com /x/pittsburghtrib/s_21239.html (605 words)

	Wabash Valley Journal of Business-The Wabash Valley's Best Source for Local Business News
		Union Hospital is only exempted from taxes for property on which hospital-based services are provided.
		As Union Hospital has acquired residential property, the resulting construction and ancillary medical services that have been built on that land have resulted in neutral to positive changes in property tax revenue to the city.
		Union officials have stated that a parking garage would greatly increase the cost of the project, and would add extensive costs in terms of operation and maintenance.
	www.thjournal.com /unionhospital.asp (3773 words)

	Union of Sets (Site not responding. Last check: 2007-10-13)
		nion of sets is one of the most important operations among them.
		athematically, the union of sets is defined as all elements that belong to set A
		For example the union of states forming the east region of the United States.
	lrs.ed.uiuc.edu /students/avilesga/project/union.html (158 words)

	Math Forum - Ask Dr. Math Archives: High School Sets (Site not responding. Last check: 2007-10-13)
		Is a union of finite number of closed sets and the intersection of any number of closed sets closed?
		Write a set that is equivalent to, but not equal to, the set (a, b, c, d, e, f).
		The Math Forum is a research and educational enterprise of the Drexel School of Education.
	mathforum.org /library/drmath/sets/high_sets.html (810 words)

	CUNY Union Sets Deadline for Strike - September 30, 2005 - The New York Sun
		The faculty union of the City University of New York announced last night that it would resume contract negotiations with the administration but set a deadline of November 3 for when union leaders would decide whether to inch toward a strike.
		The union demands a 10% accumulative increase and more money for its welfare fund, a virtually empty health-benefits fund that is controlled by the union.
		She said the union would stage "informational pickets" on October 19 and 20 in front of campus entrances to raise awareness of their position, and encouraged students to participate.
	www.nysun.com /article/20816 (635 words)

	sets
		In the examples below you'll see the union of sets, then it will be time for you to put together some sets of your own.
		Choose the set that is a subset of A
		You will be given two sets, sets A and B. You will then see two statements defining the relationship between A and B. Only one of these statements is true.
	www.geocities.com /basicmathsets/setpg2.html (1171 words)

	Union Sets Oct. 26 for Nationwide Day of Picketing (Site not responding. Last check: 2007-10-13)
		In accordance with a resolution adopted by delegates to the union’s 18th Biennial Convention, the APWU National Executive Board has selected Oct. 26 for a nationwide day of picketing to protest ill-advised postal consolidations.
		The union president also urged locals to inform elected officials about the USPS consolidation plan and the negative effect it will have on service to their constituents.
		The national union will mail information to local and state presidents to assist them in their efforts to organize the pickets and publicize the union’s message.
	www.apwu.org /news/webart/2006/webart-0655-consol-picket-060928.htm (405 words)

	United Airlines union sets new vote
		The union met with United officials late into the night as the Elk Grove Township-based carrier pressed for hundreds of millions of dollars in cost cuts it says are necessary to stave off bankruptcy.
		Without the union members' agreement to wage cuts, it is unlikely that the Air Transportation Stabilization Board will approve a $2 billion loan, of which $1.8 billion would be government-guaranteed, that United is seeking.
		The mechanics union is the only employee group that has not approved its part of the labor concession package, which United had hoped to have wrapped up before a Wednesday meeting with the Air Transportation Stabilization Board.
	www.tiaca.org /articles/2002/12/03/82DD90D8EBEB460DAE962DE6A446D984.asp (258 words)

	Floorcovers Local Union 596 - MN, SD, ND
		Floorcovers Local Union 596 - MN, SD, ND The Union members of Floorcovers Local Union 596 are highly skilled in all the various aspects of floor covering installation.
		In addition to these benefits, the Floorcovers Union serves as an intermediary between the members and the contractors for whom they are employed.
		As a member of the United Brotherhood of Carpenters, the Floorcovers Union is part of an international union.
	www.mncarpenter.org /pages/floorcoverers.html (526 words)

	UMass nurses union sets an Oct. 26 strike deadline - The Boston Globe
		THE REGION The Massachusetts Nurses Union set an Oct. 26 strike deadline at UMass Memorial Medical Center in Worcester.
		The Massachusetts Nurses Union set an Oct. 26 strike deadline at UMass Memorial Medical Center in Worcester.
		Hospital officials said they told the union they will negotiate and offered a date of Oct. 18, but the union rejected it.
	www.boston.com /business/globe/articles/2006/10/13/umass_nurses_union_sets_an_oct_26_strike_deadline (749 words)

	African Union sets up biotechnology advisory panel (Site not responding. Last check: 2007-10-13)
		A panel has been set up to advise the African Union on ways of building capacity to apply and safely handle modern biotechnology.
		Its creation is "a clear sign the Africa Union is finally pushing Africa towards science-led development" says Norah Olembo, executive director of the African Biotechnology Stakeholders Forum, which promotes public awareness of biotechnology solutions to Africa's problems.
		Launching the panel, Alpha Oumar Konare, chair of the African Union Commission, said it showed "Africa's determination to take a common informed approach to address issues pertaining to modern biotechnology and its applications for health, agriculture, industry, mining and the environment".
	www.gmoafrica.org /news/african-union-05.html (543 words)

	Bus Union Sets Strike Date - News
		Kahele said the strike date was set to send a message to the city.
		OTS said the union is not bargaining in good faith.
		The Teamsters Union said the only way to avoid a strike is if management goes to the city to ask for money.
	www.thehawaiichannel.com /news/2374214/detail.html (474 words)

	Pilots' union sets terms for American to fly to Beijing: Easing rules would allow carrier to take on new route from D/FW
		The union said it wanted the airline to promise to pay pilots for the entire sequence of flights they're scheduled to fly, even if their ability to pilot the flights is disrupted by flight delays, cancellations or other problems.
		The union also said that pilots who are "deadheading" to augment a crew on an international flight should be given a first-class seat to get to work and at least a business-class seat on the way home.
		Union negotiators presented their management counterparts a proposed letter of agreement that would cover both the Beijing route and the Chicago-Shanghai route, which began service in 2005.
	www.tmcnet.com /usubmit/2006/11/17/2087582.htm (1086 words)

	BeyondChron: San Francisco's Alternative Online Daily News » Hotel Union Sets Strike Vote
		The strike vote was set after the union's negotiating committee unanimously called for the action.
		The call for the strike vote was met at yesterday's meetings with boisterous applause and cheers by a determined body of workers that has grown increasingly frustrated with the intransigence of the hotel bosses.
		The union is demanding the right to gain representation at new properties through card-check neutrality agreements, rather than being forced into National Labor Relations Board (NLRB) elections that are stacked against workers.
	www.beyondchron.org /articles/Hotel_Union_Sets_Strike_Vote_3572.html (886 words)

	Python: module sets
		Return the difference of two sets as a new Set.
		Update a set with the union of itself and another.
		Remove an element from a set; it must be a member.
	pydoc.org /2.4.1/sets.html (911 words)

	CNNSI.com - Baseball - Players' union sets Aug. 30 strike date - Sunday August 18, 2002 04:03 AM
		Players were upset by management's lack of movement on the key issue of a luxury tax on high-payroll teams, but owners accused the union of refusing to agree to more compromises.
		Chicago Cubs chief executive officer Andy MacPhail called the union's decision "regrettable," and Bob DuPuy, baseball's chief operating officer, was "disappointed." Commissioner Bud Selig did not comment.
		The union, according to management, offered a tax that would start at $130 million next year, $140 million in 2004 and $150 million in 2005.
	sportsillustrated.cnn.com /baseball/news/2002/08/16/strike_date_ap (1093 words)

	Postal union sets strike deadline (Site not responding. Last check: 2007-10-13)
		The Canadian Union of Postal Workers gave notice Thursday to the Ministry of Labour and Canada Post that a strike deadline has been set for 12:01 a.m.
		The union, which represents 45,000 workers, including letter carriers, says Canada Post is demanding too many concessions including cuts to benefits and severance pay.
		The head of the union, Deborah Bourque, said Friday Canada Post is in no danger of becoming redundant despite the increase of e-mail and heavy competition from the courier industry.
	www.cbc.ca /news/story/2003/07/11/can_post030711.html (1014 words)

	NFL Players Union Sets Stage for Agent Feeding Frenzy
		The NFL Players Union last week suspended Dunn, CEO of Athletes First, for two years and suspended the firm's executive director, Joby Branion, for one year for violating union regulations governing agent conduct.
		Lapchick said the fact that the players union is going after powerful agents could "force other agents to do their business the way they are meant to do it."
		Dunn and Branion were disciplined for conduct that was revealed in the testimony of a trial late last fall in which Dunn's former employer, Steinberg, Moorad and Dunn, sued him for breach of contract, among other things.
	www.prosportsgroup.com /SportsAgentNews/Mar2003/News/nflunion.htm (898 words)

	NYC Transit Union Sets New Strike Deadline; Talks Deadlocked - Travel
		The union representing 33,000 workers called a selective strike against two private bus lines Friday, putting off a crippling citywide shutdown, as it rejected what the system later said was its final offer.
		The union reportedly planned to extend the strike to subways if there's no contract agreement with the Metropolitan Transportation Authority by 12:01 a.m.
		The union is demanding 8 percent hikes in each of the three years.
	www.ktvu.com /travelgetaways/5543674/detail.html (909 words)

	European Union sets currency plan (Site not responding. Last check: 2007-10-13)
		The decision came despite doubts about whether enough nations, notably France, can meet economic criteria on debts, deficits, interest rates and inflation to be able to jettison their monies and take on the euro.
		In an optimistic report last month, the EU head office said eight EU nations would qualify by 1999, but that included Britain and Denmark, which will not join the currency union for now.
		Nations falling short of the criteria could join the currency union later.
	www.chron.com /content/chronicle/business/95/12/16/summit.html (496 words)

	S-T union sets Oct. 20 strike date \| Crain's Chicago Business
		The union set the strike date this week as contract talks again failed to produce a settlement, negotiators said Wednesday.
		The Sun-Times, owned by Hollinger International, is offering a 2 percent salary increase in each of the first two years of a three-year contract and 1.75 percent in the third.
		The union, representing about 180 staffers, seeks a 7.5 percent pay increase the first year and 5 percent in each of the next two years.
	chicagobusiness.com /cgi-bin/news.pl?id=14232 (217 words)

	Bush Delivers State of the Union, Sets out Agenda
		Bush came into this State of the Union address hoping to shore up his own leadership credentials at a time of low public approval ratings, growing concern over casualties in Iraq, and stubbornly high gas prices.
		And, he emphasized that, although America continues to be the economic leader, it cannot afford to be complacent: "Tonight I will set out a better path: an agenda for a nation that competes with confidence -- an agenda that will raise standards of living and generate new jobs.
		In his State of the Union address, the president urged Democrats to work with Republicans to address serious problems.
	www.voanews.com /burmese/archive/2006-02/2006-02-01-voa1.cfm (838 words)

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