"Ptolemy I. asked Euclid whether there was any shorter way to a knowledge of geometry than by study of The Elements, whereupon Euclid answered that there was no royal road to geometry." Commentary on The Elements. Proclus Diadochus (410-485). Euclidean geometry is the mathematical system attributed to the Alexandrian Greek mathematician Euclid (365-275 BC), which he described in his textbook The Elements, referred to as the most successful and influential textbook ever written. The word…
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