pre-order

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1.	(graph theory)	pre-order - traversal.
2.	(theory)	pre-order - A relation R is a pre-order if it is reflexive (x R x) and transitive (x R y R z => x R z). If it is also antisymmetric (x R y R x => x = y) then it is a partial ordering.

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No references found			Pre-Order Shoes Your common shoe store can also be your source for small womens shoes even they usually cater for larger shoes. Where to Find Small Womens Shoes? by Elise Cliffer / Women's issues/gender studies community Summary: Amazon says pre-order sales for Microsoft's latest offering have overtaken those of Harry Potter and the Deathly Hallows. Microsoft launches Windows 7 by Independent Television News Limited (ITN) In order to minimize the impact on customers, Microsoft has authorized those partners who participated in the pre-order programmed to ship Windows 7 to those customers who pre-ordered it," said Microsoft in a statement. Microsoft confirms early delivery of Windows 7 in UK by International Business Times - US ed.			Praxidike praxis Praxis Critical Systems Praxiteles Prayer prayer book prayer wheel Prayer, Book of Common praying Indians praying mantis Prazsky Hrad PRC PRCST Pre-Alps Pre-Aral Karakum PRE-CC pre-cold-frontal squall line Pre-Columbian architecture pre-Columbian art and architecture pre-emption pre-emptive pre-emptive multitasking pre-Hilbert space pre-image pre-Imbrian pre-order pre-order traversal pre-posttensioning Pre-Raphaelite Pre-Raphaelites pre-Romanesque architecture pre-sales support rep pre-shimmed sealant pre-shimmed tape sealant pre-Socratics pre-TR tube pre-transmit-receive tube Pre-Zinjanthropus pre\box Prešeren, France Prešov Prežihov Voranc preacher Preachers, Order of preaching cross preaction sprinkler system Preadaptation Preakness Stakes prealpine facies Preamble preamp			Pre-nuptial agreement Pre-nuptial contract Pre-nuptial contract Pre-nuptial contract Pre-Nursing Assessment Test Pre-Occupancy Cash Flow Pre-OCONUS Pre-Odin Staging Tool pre-op pre-op pre-op pre-op time Pre-op transsexual Pre-op transsexual Pre-op transsexual Pre-Open Pre-Operation Safety Review Pre-Operational European Mode-S Pre-Operational Modelling in the Seas of Europe Pre-Operational Support Pre-Operational Validation and Experimental pre-operative autologous donation Pre-Operative Chest Radiography Pre-Operative Patient Representation Pre-operative transsexual Pre-operative transsexual Pre-operative transsexual pre-ops pre-ops Pre-Optic Periventricular Hypothalamus pre-order Pre-order (iTunes) Pre-order bonus Pre-order incentive Pre-order status Pre-order traversal Pre-Overhaul Test Pre-Overhaul Test & Inspection pre-owned Pre-Owned Asset Tax Pre-Owned Office Products Pre-Packaged Bankruptcies Pre-Packaged Bankruptcy pre-packaged software pre-packaged software Pre-Packaged Spirit Pre-Packaged Spirit Pre-Paid Calling Card Pre-Paid Charging Pre-Paid Health Plan Pre-Paid Interest Pre-Paid Legal Pre-Paid Legal Casualty, Inc. Pre-Paid Legal Protection Pre-Paid Legal Services, Inc. Pre-Paid Service Control Point Pre-Paid System

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