deduction — UK [dɪˈdʌkʃ(ə)n] / US noun Word forms deduction : singular deduction plural deductions 1) a) [countable] an amount or number taken from a total Italian workers pay far more in tax and other deductions. b) [uncountable] the process of taking an… … English dictionary
deduction — de|duc|tion [ dı dʌkʃən ] noun 1. ) count an amount or number taken from a total: He earns $40,000 a year after tax deductions. a ) uncount the process of taking an amount or number from a total: Interest will be paid without deduction of tax. 2 … Usage of the words and phrases in modern English
Deduction — • An argument or reasoning process, that kind of mediate inference by which from truths already known we advance to a knowledge of other truths necessarily implied in the former; the mental product or result of that process. Also a method, the… … Catholic encyclopedia
deduction — 1 Deduction, abatement, rebate, discount are comparable when they mean an amount subtracted from a gross sum. Deduction is interchangeable with any of the others but not without some loss in precision. An abatement is a deduction from a levied… … New Dictionary of Synonyms
Deduction — Déduction Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom … Wikipédia en Français
Deduction theorem — In mathematical logic, the deduction theorem is a metatheorem of first order logic.[1] It is a formalization of the common proof technique in which an implication A → B is proved by assuming A and then proving B from this assumption.… … Wikipedia
deduction — I (New American Roget s College Thesaurus) Subtraction Nouns 1. deduction, removal, excision; subtraction; minus, minus sign, subtrahend, minuend; remainder, difference; abstraction, abbreviation, curtailment (see shortness); reduction (see… … English dictionary for students
without — I (New American Roget s College Thesaurus) adv. & prep. outside, out door[s], outward, beyond; minus. See exterior, absence, circumstance, deduction, exemption. II (Roget s IV) modif. & prep. 1. [Outside] Syn. out, outdoors, outwardly, externally … English dictionary for students
deduction — Reaching a conclusion only when it follows necessarily from stated facts or proposals; reasoning from the general to the specific. One cannot contradict such a conclusion without questioning one or more of the premises from which it followed.… … Glossary of Art Terms
Natural deduction — In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the natural way of reasoning. This contrasts with the axiomatic systems which instead use… … Wikipedia