On 2013-03-20, 1treePetrifiedForestLane <Space998@hotmail.com> wrote: > I only recall one book, > that uses the Liebnizian approach of integrals, firstly, > by Tom Apostol.
>> You can tell if they know calculus manipulations. You cannot >> tell if they understand what "derivative" and "integral" mean.
The concept of the Riemann integral was known to the Greeks. Unfortunately, not having algebra, they could not do much with it. The integral with respect to a measure on a finite set goes back to the Babylonians.
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