卐𓆝 𓆟 𓆞r̾eⷲsͣe̾aͭrͥcⷦhͣ
The tetractys is considered the mother of numbers. We see through it how the first four numbers give birth to their sum, which is ten; and after the first ten numbers of the tetractys all the other numbers that follow are merely copies of them. But how was born the tetractys itself? The #tetractys is the triangular number of four. Geometrically it is built as an isosceles triangle on whose sides a