The hieroglyphical senary (the double equilateral triangle) is the symbol of Deity.
2
The sages applied the senary to the physical man; while the septenary was, for them, the symbol of his immortal spirit.
3
Deity symbolized by the hieroglyphical senary, 634-l. Deity symbolized by the One, or Unity, 625-m. Deity symbolized by the triangle in all ages, 861-u.