Download Fibonacci's De Practica Geometrie by Barnabas Hughes PDF

By Barnabas Hughes

Leonardo da Pisa, might be greater often called Fibonacci (ca. 1170 – ca. 1240), chosen the main worthwhile components of Greco-Arabic geometry for the publication referred to as De Practica Geometrie. This translation deals a reconstruction of De Practica Geometrie because the writer judges Fibonacci wrote it, thereby correcting inaccuracies present in quite a few smooth histories. it's a top of the range translation with supplemental textual content to provide an explanation for textual content that has been extra freely translated. A bibliography of fundamental and secondary assets follows the interpretation, accomplished via an index of names and particular words.

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1465) Beyond remarking that the title of the Ottoboniani was penned by the scribe of the Palatino manuscript (exactly the same words) and the Vatican text differs appreciably from the Florentine, I leave further meritorious comparison and contrast of the two treatises to the interested. The first group merits our attention. The Riccardiana text is clearly the work of one Crsitofano di Gherardo di Dino. ”35 The codex consists of 132 folios of which folios 92r to 131r contain his edition of Fibonacci’s De practica geometrie.

7} you wish to multiply 25 rods by 52 rods, multiply first 22 of the 25 rods, namely 4 panes by 52 rods to obtain a third of one staria on account of the 4 panes that are a third part of one staria. For a third of 52 staria are 13 17 staria. Then multiply the 3 rods [that remain from taking 22 from 25] by 21 49 of the 52 rods, namely by 9 panes and there are 27 panes. Add to this the 13 17 staria, to reach 19 staria and 7 panes. After this multiply the 3 rods by the 12 2 rods [that is the difference between 52 and 21 49 rods] to obtain 12 7 rods or one panis and 6 soldi.

There is no cogent reason to believe that he cut-and-pasted for his own work after considerably rewriting Plato of Tivoli’s translation. The material itself, numerous definitions, axioms, but not the postulates, together with crucial constructions, was taken from Euclid’s Elements, Book I. Of the fourteen statements regarding constructions in [3] below and allowing for a measure of variation in translation, twelve statements represent word-for-word statements from Euclid’s Elements, Book I, as translated by al-Hajjaj.

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