
Definition of Preorder
1. v. t. To order to arrange beforehand; to foreordain.
Definition of Preorder
1. Verb. (transitive) To order (goods) in advance, before they are available. ¹
2. Noun. (set theory) A binary relation that is reflexive and transitive. ¹
3. Adjective. (computing theory) Of a tree traversal, recursively visiting the root before the left and right subtrees. ¹
¹ Source: wiktionary.com
Definition of Preorder
1. to order beforehand [v ED, ING, S]
Preorder Pictures
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Lexicographical Neighbors of Preorder
Literary usage of Preorder
Below you will find example usage of this term as found in modern and/or classical literature:
1. Concrete Abstractions: An Introduction to Computer Science Using Scheme by Max Hailperin, Barbara Kaiser, Karl Knight (1999)
"(define preorder (lambda (tree) (preorderonto tree '()))) (define ... One of
the problems with preorder is that the list it produces is not sorted. ..."
2. Stochastic Orders and Decision Under Risk by Karl C. Mosler, Marco Scarsini (1991)
"We may want to compare distributions involving different and arbitrary population
sizes in which case the social welfare preorder > is defined over ..."
3. Topics in Statistical Dependence by Henry W. Block, Allan R. Sampson, Thomas H. Savits (1990)
"For X un't/i continuous marginal distribution: if the distribution of X is
degenerate, then X is a maximal element of the preorder <g. (v). ..."