Is there any theorem or axiom on which substitution is based?
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Is there any theorem or axiom on which substitution is based?
Or substituting is it a mere art?
Thanks in advance.
calculus
asked 2011-12-03
user id:20566
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If you want a proof of chain rule (derivatives): http://en.wikipedia.org/wiki/Chain_rule, substitution rule (integrals): http://en.wikipedia.org/wiki/Substitution_rule. Substitution rule follows from chain rule. – 2011-12-03