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abduction1

[ab-duhk-shuh n] /æbˈdʌk ʃən/
noun
1.
act of abducting.
2.
the state of being abducted.
3.
Law. the illegal carrying or enticing away of a person, especially by interfering with a relationship, as the taking of a child from its parent.
Origin
1620-1630
1620-30; abduct + -ion

abduction2

[ab-duhk-shuh n] /æbˈdʌk ʃən/
noun, Logic.
1.
a syllogism whose major premise is certain but whose minor premise is probable.
Origin
1690-1700; < New Latin abductiōn- (stem of abductiō; translation of Greek apagōgḗ). See abduct, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for abduction

abduction

/æbˈdʌkʃən/
noun
1.
the act of taking someone away by force or cunning; kidnapping
2.
the action of certain muscles in pulling a leg, arm, etc away from the median axis of the body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for abduction
n.

1620s, "a leading away," from Latin abductionem (nominative abductio), noun of action from past participle stem of abducere "to lead away, take away" (often by force), from ab- "away" (see ab-) + ducere "to lead" (see duke (n.)). The illegal activity so called from 1768; before that the word also was a term in surgery and logic. In the Mercian hymns, Latin abductione is glossed by Old English wiðlaednisse.

Online Etymology Dictionary, © 2010 Douglas Harper
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abduction in Technology
logic
The process of inference to the best explanation.
"Abduction" is sometimes used to mean just the generation of hypotheses to explain observations or conclusionsm, but the former definition is more common both in philosophy and computing.
The semantics and the implementation of abduction cannot be reduced to those for deduction, as explanation cannot be reduced to implication.
Applications include fault diagnosis, plan formation and default reasoning.
Negation as failure in logic programming can both be given an abductive interpretation and also can be used to implement abduction. The abductive semantics of negation as failure leads naturally to an argumentation-theoretic interpretation of default reasoning in general.
[Better explanation? Example?]
["Abductive Inference", John R. Josephson jj@cis.ohio-state.edu].
(2000-12-07)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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