1 gen 1550 anni - *Jyeshtadeva

Descrizione:

Jyeshtadeva, a Kerala school mathematician, ***writes the world's first calculus text***, which gives detailed derivations of many calculus theorems and formulae. Fundamentals of calculus: differentiation, term-by-term integration, and the theory that the area under a curve is its integral. Most of these results were long before their European counterparts, to whom credit was traditionally attributed. Three factors in this text are unique in the history of the development of mathematical thinking in the Indian subcontinent:
It is composed in the spoken language of the local people, namely, the Malayalam language. This is in contrast to the centuries-old Indian tradition of composing scholarly works in the Sanskrit language which was the language of the learned.
The work is in prose, again in contrast to the prevailing style of writing even technical manuals in verse. All other notable works of the school are in verse.
Most importantly, the text was composed intentionally as a manual of proofs. The very purpose of writing the book was to record in full detail the rationales of the various results discovered by mathematicians of the Kerala school. This book establishes that the concept of proof was not unknown to Indian mathematical traditions

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