Dictionary Definition
deduction
Noun
1 a reduction in the gross amount on which a tax
is calculated; reduces taxes by the percentage fixed for the
taxpayer's income bracket [syn: tax
write-off, tax
deduction]
2 an amount or percentage deducted [syn: discount]
3 something that is inferred (deduced or entailed
or implied); "his resignation had political implications" [syn:
entailment, implication]
4 reasoning from the general to the particular
(or from cause to effect) [syn: deductive
reasoning, synthesis]
5 the act of subtracting (removing a part from
the whole); "he complained about the subtraction of money from
their paychecks" [syn: subtraction] [ant: addition]
6 the act of reducing the selling price of
merchandise [syn: discount, price
reduction]
User Contributed Dictionary
English
Pronunciation
- /dɪˈdʌkʃən/, /dI"dVkS@n/
- Rhymes: -ʌkʃən
Noun
- that which is deducted; that which is subtracted or removed
- a sum that can be
removed from tax calculations; something that
is written off
- You might want to donate the old junk and just take the deduction.
- a conclusion;
that which is deduced,
concluded or figured
out
- He arrived at the deduction that the butler didn't do it.
- the ability or skill
to deduce or figure out; the power of reason
- Through his powers of deduction, he realized that the plan would never work.
- a. 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.
- b. a conclusion reached by this process
Translations
a sum that can be removed from tax calculations;
something that is written off
- Finnish: vähennys
- Italian: deduzione , detrazione
- Swedish: avdrag
a conclusion; that which is deduced, concluded
or figured out
the ability or skill to deduce or figure out;
the power of reason
- Finnish: päättely
- Italian: deduzione
- Swedish: härledning , slutledning
a process of reasoning
Extensive Definition
Deduction can refer to one of the following
usages:
- Deductive reasoning, inference in which the conclusion is of no greater generality than the premises
- Natural deduction, an approach to proof theory that attempts to provide a formal model of logical reasoning as it "naturally" occurs
Relating to taxation:
See also
deduction in French: Déduction
deduction in Georgian: დედუქცია
deduction in Finnish: Deduktio
Synonyms, Antonyms and Related Words
Baconian method, a fortiori reasoning, a
posteriori reasoning, a priori reasoning, abatement, ablation, abrasion, abridgment, abstraction, accord, addition, adjunct, affairs, affiliation, affinity, agio, alleviation, alliance, allowance, analysis, approximation, assemblage, association, attenuation, bank discount,
bond, breakage, cash discount, chain
discount, charge-off, closeness, cogitation, combination, concession, conclusion, connectedness, connection, consequence, consequent, consideration, contemplation, contiguity, contraction, contrariety, corollary, credit, cut, dampening, damping, dealings, decrease, decrement, decrescence, deductive
reasoning, deflation,
deliberation,
demonstration,
depreciation,
depression, derivation, diminishment, diminution, discount, discourse, discourse of
reason, discursive reason, disjunction, dockage, drawback, dying, dying off, epagoge, erosion, extenuation, fade-out,
filiation, finding, generalization, homology, hypothesis and
verification, illation,
induction, inductive
reasoning, inference,
intercourse,
intimacy, judgment, junction, kickback, languishment, lessening, letup, liaison, link, linkage, linking, logical thought,
lowering, meditation, miniaturization,
minus, mitigation, musing, mutual attraction,
nearness, particularization,
penalty, penalty clause,
percentage,
philosophical induction, philosophy, pondering, premium, price reduction,
price-cut, proof, propinquity, proximity, purification, rapport, ratiocination, rationalism, rationality, rationalization,
rationalizing,
reason, reasonableness, reasoning, rebate, rebatement, reduction, refinement, reflection, refund, relatedness, relation, relations, relationship, relaxation, removal, result, rollback, rumination, sagging, salvage, scaling down, sequitur, setoff, similarity, simplicity, sophistry, specious reasoning,
speculation,
subduction, sublation, subtraction, sweet reason,
syllogism, syllogistic
reasoning, sympathy,
synthesis, takeoff, taking away, tare, thinking, tie, tie-in, time discount, trade
discount, tret, underselling, union, weakening, withdrawal,
write-off