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The Symbolism of the Number 6 in Pythagorean Philosophy and Culture
A survey of the Pythagorean school: the claim that number underlies reality, the tetractys, and how later writers reshaped the legacy of Pythagoras.
Number Symbolism
A cultural and historical guide to number symbolism: what Pythagorean, Chinese, biblical, Norse, Greek and other traditions believed about numbers.
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Start here · Essential guide
A survey of the Pythagorean school: the claim that number underlies reality, the tetractys, and how later writers reshaped the legacy of Pythagoras.
A history of ideas about one as the origin, the single god and the first principle, from creation myths and early philosophy to monotheism, as belief.
An overview of Chinese number symbolism: how sound-alike words, yin-yang ideas and Feng Shui shaped the lucky eight and unlucky four, framed as cultural belief.
A survey of sevenfold groupings in the ancient world: the seven planets, the seven-day week, the Seven Sages and Hebrew Bible patterns, and where they came from.
How Sanskrit shunya and Buddhist emptiness differ from the long Western unease with the void, and why zero's symbolism is cultural and philosophical.
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Ideas about number in geometry, philosophy and folk belief.
How specific cultures and religions treated numbers.
The history and claims of modern number belief systems.
How numbers were written, spoken, counted and studied across history.
Numbers in sacred texts, alphabets used as numerals, and calendars of the world.
Lucky and unlucky numbers, rituals and ordinary customs built around counting.