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geometor.euclid is part of the GEOMETOR initiative by phi ARCHITECT, exploring constructive geometry, deductive dependency graphs, and the divine proportion.

The archival text and critical commentary reproduced in the Heath Edition derive from Sir Thomas Little Heath’s The Thirteen Books of Euclid’s Elements, translated from the text of Heiberg with introduction and commentary (Cambridge University Press, 1908; 2nd edition, 1926).