pre-order


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pre-order

(graph theory)

pre-order

(theory)
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.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
References in periodicals archive ?
Vivo fans can take their style up a notch when they pre-order the Vivo S1.
The (https://www.mediamarkt.se/sv/product/_sony-playstation-5-1283580.html) webpage where players can pre-order the console is still up and running as of time of writing.
Now, you can pre-order the phone with rotating triple camera setup.
Samsung Galaxy A80 is now available for pre-order from June 23 to July 3, 2019 online on www.samsung.com.
The Secret Commonwealth, Philip Pullman (pre-order) 5.
After two weeks of back-to-back sold-out sales on Shopee and being hailed the fastest-selling smartphone under Php10,000, the realme 3 successfully lands on the hands of pre-order customers at its first nationwide in-store sale, with sales higher by 900 percent compared with realme Philippines first offline sale last year.
The devices are now available for pre-order from February 21 to March 2 across all major retailers.
du has announced that its customers can pre-order the new Samsung Galaxy S10 smartphone until Saturday, March 2.
The UAE's telecommunications networks, Etisalatand du, are giving customers the opportunity to pre-order the Samsung Galaxy S10e, S10 or S10+ mobile phones.
You can still pre-order one of the Mate 20 series devices online via stores such as Souq.com.
"With the option to pre-order, we are inviting our customers to share our excitement to introduce our newest iteration of the Galaxy S series that reimagines smartphone capabilities and helps users create and savor every moment and every experience.
The online pre-order has to be placed minimum 72 hours before the flight's departure time.