preorder

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English[edit]

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Wikipedia

Etymology[edit]

pre- +‎ order

Verb[edit]

preorder (third-person singular simple present preorders, present participle preordering, simple past and past participle preordered)

  1. (transitive) To order (goods) in advance, before they are available.

Translations[edit]

Noun[edit]

preorder (plural preorders)

  1. (set theory) A binary relation that is reflexive and transitive.
    The relation of logical implication over sentences is an example of a preorder.

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Adjective[edit]

preorder (not comparable)

  1. (computing theory) Of a tree traversal, recursively visiting the root before the left and right subtrees.

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