Sea of occult symbols and geometric shapes — illustration for Fortean Winds grimoire analysis

The Geometry of the Occult: Mathematical Insights from Grimoires

This is where the analysis gets specific enough to be falsifiable. Part 3 established that the grimoires describe operations, not just symbols — functional claims about energy, intention, and sound. This part follows the geometry specifically, because the mathematical structures embedded in ritual diagrams are the most concrete thing in the entire corpus. Either the proportional relationships are real and measurable or they aren’t. Turns out they are.

This is Part 4 of our AI-powered Grimoire analysis. You can read the other parts here: Part 1   Part 2   Part 3


A Mathematical Lens on Grimoire Geometry

1. Symmetry and Sacred Geometry

The diagrams in grimoires often feature radial symmetry, polygons, and spirals, echoing the principles of sacred geometry—a study of shapes imbued with spiritual significance.

Practical Example: Constructing a Pentagram

  1. Start with a circle.
  2. Divide the circle into five equal sections (360°/5 = 72°).
  3. Connect the points to form a star.
  4. Observe the proportional relationships between the segments—each intersection divides lines into segments proportional to the golden ratio.
Magic Circle with Concentric Design and Symbols (Fortean Winds, 2025)

2. Alphanumeric Integration

Many grimoire symbols encode letters and numbers within their geometric designs, embedding additional layers of meaning.


3. Geometric Constructions in Rituals

Ritual diagrams in grimoires often serve functional purposes, guiding practitioners in creating protective spaces or focusing energy. These designs are not only symbolic but also follow rigorous geometric rules.


4. Comparing to Modern Science

The geometric principles found in grimoires are not far removed from those used in modern scientific fields, particularly physics and engineering.

Pentagram Constructed with Geometric Precision (Fortean Winds, 2025)

5. Reproducible Analysis: Tools and Methods


Conclusion

The golden ratio in pentagram construction isn’t decorative. The alphanumeric integration in the Goetia sigils isn’t arbitrary. The concentric circle divisions aligning with planetary and zodiacal systems weren’t guesswork. These are people who understood specific mathematical relationships well enough to build them consistently into ritual diagrams across independent traditions spanning centuries.

What they thought those relationships were doing and what they were actually doing may not be the same thing. But dismissing the precision as coincidence requires more explanation than taking it seriously does. Newton didn’t think it was coincidence either. Part 5 draws out what the full analysis implies for modern research — and where the testable hypotheses are.

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