Deduction

Deduction may refer to:

 Deduction in logic

 Deductive reasoning 
 Natural deduction: An attempt to give a model of logical reasoning as it "naturally" occurs

 Expenditure which may be deducted from profits before taxation

Related pages

 Dialectic
 Syllogism
 Medieval philosophy
 Principia Mathematica
 Ancient Greek philosophy

Category:Logic
Category:Science
Category:Philosophy
Category:Mathematics