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preorder
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The answer PREORDER has 3 possible clue(s) in existing crosswords.
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The word PREORDER is VALID in some board games. Check PREORDER in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of preorder in various dictionaries:
verb - to order beforehand
PREORDER - In mathematics, especially in order theory, a preorder or quasiorder is a binary relation that is reflexive and transitive. Preorders are more genera...
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Keep reading for additional results and analysis below.
Possible Crossword Clues |
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Amazon verb |
Reserve (something) before it's available |
Reserve in advance |
Last Seen in these Crosswords & Puzzles |
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Jun 22 2011 The Times - Concise |
Jan 23 2011 The Washington Post |
Oct 13 2006 Ink Well xwords |
Possible Dictionary Clues |
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To order (goods) in advance, before they are available. |
A binary relation that is reflexive and transitive. |
Of a tree traversal, recursively visiting the root before the left and right subtrees. |
Preorder description |
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In mathematics, especially in order theory, a preorder or quasiorder is a binary relation that is reflexive and transitive. Preorders are more general than equivalence relations and (non-strict) partial orders, both of which are special cases of a preorder. An antisymmetric preorder is a partial order, and a symmetric preorder is an equivalence relation. * The name 'preorder' comes from the idea that preorders (that are not partial orders) are 'almost' (partial) orders, but not quite; they are neither necessarily anti-symmetric nor asymmetric. Because a preorder is a binary relation, the symbol can be used as the notational device for the relation. However, because they are not necessarily anti-symmetric, some of the ordinary intuition associated to the symbol may not apply. On the other hand, a preorder can be used, in a straightforward fashion, to define a partial order and an equivalence relation. Doing so, however, is not always useful or worthwhile, depending on the problem d |