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
Deductive reasoning is Reasoning which uses deductive Arguments to move from given statements ( Premises to Conclusions which must be true if the In Philosophical logic, natural deduction is an approach to Proof theory that attempts to provide a Deductive system which is a formal model of logical A tax deduction or a tax-deductible expense affects a taxpayer's Income tax. Individual taxpayers in the United States are allowed a choice when preparing their Federal income Tax returns After computing their Adjusted gross income (AGI taxpayers The standard deduction, as defined under United States tax law is a dollar amount that non-itemizers may subtract from their income and is based upon filing status Logic is the study of the principles of valid demonstration and Inference. Venn diagrams or set diagrams are Diagrams that show all hypothetically possible Logical relations between a finite collection of sets (groups Induction or inductive reasoning, sometimes called inductive logic, is the process of Reasoning in which the premises of an argument are believed
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