Also translated On Pythagoric Symbols; Kenneth Sylvan Guthrie, The Pythagorean Sourcebook and Library (Red Wheel/Weiser, 1987), p. 93 online.
Peter Struck, Birth of the Symbol (Princeton University Press, 2004), p. 99 online; Struck considera o poder performativo mágico-religioso do símbolo pitagórico como excedendo os limites metodológicos da semiótica convencional.
