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MathematicalPhysicist
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http://mathworld.wolfram.com/DeductionTheorem.html
before reading this i thought deduction was axiomatic process like induction but now i see there is a theorem for it, then what are the axioms of deductions?
before reading this i thought deduction was axiomatic process like induction but now i see there is a theorem for it, then what are the axioms of deductions?