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.
References in periodicals archive ?
In order to qualify for this Promotion, customer must pre-order to the selected stores with an amount of P1,000.
Pre-orders will be received through 4,000 shops and this time, consumers can pre-order an unlocked S9 phone.
The video game industry uses incentives such as exclusive in-game content or other rewards in order to encourage consumers to pre-order games.
Apple has announced a new feature for the App Store that allows users to pre-order apps and have them downloaded automatically upon release.
Summary: Despite pre-order hype, eight in ten respondents don't want the phone
Samsung Gulf Electronics announced today the pre-order campaign for the long-awaited enhanced fitness wearable device - the Gear Sport.
The pre-order period was from August 24 to September 10.
To celebrate the launch, customers who pre-order the Galaxy Note8 before 3 September will pay just $100 per month in plan fees on Optus $130 My Plan Plus, plus a $10 monthly handset repayment over the 24 month plan (minimum total cost $2640 over 24 months).
Nintendo has yet to issue a statement regarding the limited pre-order slots for the Super NES Classic.
With the new pre-order option, Xiaomi is moving away from the flash sales model and simplifying the process of buying its smartphones.
Many of the top shops in Birmingham are offering pre-order deals on the game, which now features Premier League managers for the first time.
EVERTON In The Community are extending their 'Blue Family' campaign and giving fans an extra two weeks to pre-order their limited-edition Evertonbranded earphones as well as the opportunity to win an assortment of exclusive prizes.