was introduced in Greece by Pythagoras
ca. 582 BC after studying many years in Egypt
The Tetractys was considered a divine blueprint of creation and
found many uses in Math
The Tetractys contains four
rows with a successive number of dots 1, 2, 3, and 4, hence the
The decimal numbers 0-9 can be assigned to each of the ten dots
that form an equilateral triangle.
The Tetractys tells the
Egyptian creation story
in the form of Numerology
In the center we find the lowest number zero
that represents chaos
and unrealized potential.
Zero was the source of all that came into being, represented by the highest number
thus represents All-One-ness
, and Moksha
Since nine wanted to create other things it had to divide itself
into two parts: six and
, and space
action, change, and life
The interaction between six and three mediated by nine resulted in
a further division into seven
The six plus one numbers 1, 2, 4, 8, 7, 5, 10 form an eternal
supported and guided by the divine trinity
3,6, and 9.
Tetractys - Music
is based upon the
pattern of creation that uses the numbers of the Tetractys.
If we apply Gematria when traversing the seven numbers 1, 2, 4, 8,
7=1+6, 5=1+4, 10=1+0, we find the correct double values.
Multiplication of nine leads back to nine, for example 2x9=18=1+8
and 3x9=27=2+7, therefore nine is considered complete by itself.
We also find that 2x3=6 and 2x6=12=1+2=3. This is why three and
six are considered as each others complement.
that connects the seven numbers 1, 2, 4, 8, 7, 5, 10
is based on Pythagorian musical tuning
The seven numbers represent a sequence of musical notes with ratio 9/8 or another ratio when crossing
These seven notes and ratios (Platonic
are described in the Timaeus
If we rearrange the Tetractys a bit we also find the Enneagram
, the Menorah
, and the Tree of Life
The Tree of Life shows point, line, triangle, and tetrahedron with three vertical axes summing up to 9.
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