Ask the Chatbot Games & Quizzes ProCon History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
Pythagoreanism
Table of Contents
References & Edit History Related Topics
Images
The tetraktys (see text). Gnomons of Pythagorean number theory (see text). Gnomon for Pythagorean theorem. The marked off “carpenter's square”—comprising 3 groups of 3 dots each (3 × 3)—thus represents 32, which when added to 42 yields 52 (the total gnomon). Pythagoras
For Students
Pythagoreanism summary
Related Questions
Read Next
Fresh vegetables, carrots, cabbage, broccoli, peppers, tomato, squash
8 of History’s Most Famous Vegetarians
Discover
Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint
8 of the Largest Empires in History
A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000
14 Tough Questions Answered
An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses
Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that
America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics
10 Greatest Baseball Players of All Time
Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)
8 Unusual Punishments Inflicted on Women Throughout History

Pythagoreanism: Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/Pythagoreanism
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Photos

The tetraktys (see text).
Gnomons of Pythagorean number theory (see text).
Gnomon for Pythagorean theorem. The marked off “carpenter's square”—comprising 3 groups of 3 dots each (3 × 3)—thus represents 32, which when added to 42 yields 52 (the total gnomon).
Pythagoras
See All Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Publius Nigidius Figulus
Roman author