## Historian claims Plato’s manuscripts are mathematically ordered according to 12-note scale

Julian Baggini in *The Guardian: *

It may sound like the plot of a Dan Brown novel, but an academic at the University of Manchester claims to have cracked a mathematical and musical code in the works of Plato.

Jay Kennedy, a historian and philosopher of science, described his findings as “like opening a tomb and discovering new works by Plato.”

Plato is revealed to be a Pythagorean who understood the basic structure of the universe to be mathematical, anticipating the scientific revolution of Galileo and Newton by 2,000 years.

Kennedy’s breakthrough, published in the journal Apeiron this week, is based on stichometry: the measure of ancient texts by standard line lengths. Kennedy used a computer to restore the most accurate contemporary versions of Plato’s manuscripts to their original form, which would consist of lines of 35 characters, with no spaces or punctuation. What he found was that within a margin of error of just one or two percent, many of Plato’s dialogues had line lengths based on round multiples of twelve hundred.

The Apology has 1,200 lines; the Protagoras, Cratylus, Philebus and Symposium each have 2,400 lines; the Gorgias 3,600; the Republic 12,200; and the Laws 14,400.

Kennedy argues that this is no accident. “We know that scribes were paid by the number of lines, library catalogues had the total number of lines, so everyone was counting lines,” he said. He believes that Plato was organising his texts according to a 12-note musical scale, attributed to Pythagoras, which he certainly knew about.

“My claim,” says Kennedy, “is that Plato used that technology of line counting to keep track of where he was in his text and to embed symbolic passages at regular intervals.” Knowing how he did so “unlocks the gate to the labyrinth of symbolic messages in Plato”.

I guess nobody told Dr. Kennedy that base 12 number systems were commonly used in ancient Rome and Greece. So really, Plato was just stopping at round numbers, and there is no mysterious ‘cord’ hidden here.

How embarrassing.

“Believing that this pattern corresponds to the 12-note musical scale widely used by Pythagoreans, Kennedy divided the texts into equal 12ths and found that “significant concepts and narrative turns” within the dialogues are generally located at their junctures. Positive concepts are lodged at the harmonious third, fourth, sixth, eight and ninth “notes”, which were considered to be most harmonious with the 12th; while negative concepts are found at the more dissonant fifth, seventh, 10th and 11th”.

The base 12 number system didn’t lead to this.

On a 12 note scale, those definitions of what are dissonant and what are not are incorrect. I’ve never heard someone describe a chromatic third as “harmonious”.

Those definitions might be true on a major scale — but then, there would be seven equal portions to the text and not twelve.

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