Deduction
Look up deduction in Wiktionary, the free dictionary.
Deduction may refer to:
Philosophy
[edit]- Deductive reasoning, the mental process of drawing inferences in which the truth of their premises ensures the truth of their conclusion
- Natural deduction, a class of proof systems based on simple and self-evident rules of inference that aim to closely mirror how reasoning actually occurs
Taxation
[edit]- Tax deduction, variable tax dollars subtracted from gross income
- Itemized deduction, eligible expense that individual taxpayers in the United States can report on their Federal income tax returns
- Standard deduction, dollar amount that non-itemizers may subtract from their income
Other uses
[edit]- English modals of deduction, English modal verbs to state how sure somebody is about something.
- Deduction (food stamps), used in the United States to calculate a household's monthly food stamp benefit goods
See also
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This disambiguation page lists articles associated with the title Deduction.
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