Definition of Deduction

1. Noun. A reduction in the gross amount on which a tax is calculated; reduces taxes by the percentage fixed for the taxpayer's income bracket.

Exact synonyms: Tax Deduction, Tax Write-off
Specialized synonyms: Tax Benefit, Tax Break, Business Deduction, Exemption
Generic synonyms: Write-down, Write-off

2. Noun. An amount or percentage deducted.
Exact synonyms: Discount
Generic synonyms: Adjustment, Allowance
Specialized synonyms: Trade Discount
Derivative terms: Discount

3. Noun. Something that is inferred (deduced or entailed or implied). "His resignation had political implications"
Exact synonyms: Entailment, Implication
Generic synonyms: Illation, Inference
Derivative terms: Entail, Implicate, Imply, Imply

4. Noun. Reasoning from the general to the particular (or from cause to effect).
Exact synonyms: Deductive Reasoning, Synthesis
Generic synonyms: Abstract Thought, Logical Thinking, Reasoning
Specialized synonyms: Syllogism
Derivative terms: Deduce, Deduce, Deduct, Synthesise, Synthetic, Synthetical

5. Noun. The act of subtracting (removing a part from the whole). "He complained about the subtraction of money from their paychecks"
Exact synonyms: Subtraction
Generic synonyms: Decrease, Diminution, Reduction, Step-down
Specialized synonyms: Bite, Withholding
Derivative terms: Deduct, Subtract
Antonyms: Addition

6. Noun. The act of reducing the selling price of merchandise.
Exact synonyms: Discount, Price Reduction
Generic synonyms: Decrease, Diminution, Reduction, Step-down
Derivative terms: Discount

Definition of Deduction

1. n. Act or process of deducing or inferring.

Definition of Deduction

1. Noun. That which is deducted; that which is subtracted or removed ¹

2. Noun. A sum that can be removed from tax calculations; something that is written off ¹

3. Noun. A conclusion; that which is deduced, concluded or figured out ¹

4. Noun. The ability or skill to deduce or figure out; the power of reason ¹

5. Noun. (logic) A process of reasoning that moves from the general to the specific, in which a conclusion follows necessarily from the premises presented, so that the conclusion cannot be false if the premises are true. ¹

6. Noun. A conclusion reached by this process ¹

¹ Source:

Definition of Deduction

1. [n -S]

Medical Definition of Deduction

1. The logical derivation of a conclusion from certain premises. The conclusion will be true if the premises are true and the deductive argument is valid. Compare: induction . (05 Mar 2000)

Deduction Pictures

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Lexicographical Neighbors of Deduction

deductibles and coinsurance
deduction (current term)
deduction theorem
deductive closure
deductive inference
deductive reasoning

Literary usage of Deduction

Below you will find example usage of this term as found in modern and/or classical literature:

1. Critique of Pure Reason by Immanuel Kant (1901)
"I—Of the Principles of a Transcendental deduction in general §» Teachers of jurisprudence, when speaking of rights and claims, distinguish in a cause the ..."

2. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1911)
"S it P. lie agrees with Jevons in calling this second syllogism analytical deduction, and with Jevons and Sigwart in calling it hypothetical deduction. ..."

3. A History of Modern Philosophy: A Sketch of the History of Philosophy from by Harald Høffding (1908)
"The subjective deduction, consisting in psychological analysis, ... The next question—which it is the task of the objective deduction to answer—is : Subject ..."

4. United States Supreme Court Reports by Lawyers Co-operative Publishing Company, United States Supreme Court (1885)
"There is no difficulty in holding that the Statute of 1866 does permit this deduction, so far that ¡s, as the statute itself is concerned. ..."

5. The Essentials of Logic: Being Ten Lectures on Judgment and Inference by Bernard Bosanquet (1903)
"Classification and hypothesis bring us into deduction, which is not really a ... In Induction you are finding out the system piecemeal, in deduction you ..."

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