Different maps, same territory
Modern crosswalks, ancient systems, and honest comparisons about what each model sees clearly and where it stops.
Modern Frameworks
Crosswalks to frameworks people already use in coaching, therapy, hiring, and self-description.
Big Five
The Big Five describes five trait dimensions discovered through factor analysis of natural language descriptors. Icosa describes 20 measurable centers organ…
DISC
DISC organizes behavior along two axes — task vs. people, active vs. passive — and produces four clean styles. Icosa describes the same person across 20 cen…
Four Temperaments
The Four Temperaments — Sanguine, Choleric, Melancholic, Phlegmatic — are the oldest formal personality classification in recorded history. Icosa describes…
Holland Codes
Holland's RIASEC model sorts people into six vocational orientations arranged hexagonally. Icosa describes the same person across 20 centers organized into…
Enneagram
The Enneagram describes nine motivational structures and the fixations they generate. Icosa describes 20 measurable centers and the traps that form between…
Type A/B/C/D
Type A/B/C/D originated in cardiology, not psychology — four behavioral profiles linked to specific health outcomes. Icosa describes the same person across…
MBTI
MBTI sorts people into 16 categorical types from four binary dichotomies. Icosa measures continuous state across 20 centers. The two systems are complementa…
Attachment Styles
Attachment theory describes four relational strategies for regulating closeness, fear, and vulnerability. Icosa describes the same person across 20 centers…
Ancient Systems
Long-form comparisons with older symbolic, philosophical, and cosmological maps of the inner life.
Alchemy
Both alchemy and the Icosa personality system attempt to map the structure of the inner life, model how that structure becomes disordered, and chart a path…
Astrology
Three of four element-capacity correspondences hold under structural scrutiny. The modality-state mapping fails. The deepest difference between the systems…
Chakras
The structural correspondence between chakras and Icosa harmony centers is the most contested mapping in the Ancient Maps series. The disagreement about whe…
Ancient Enneagram
The esoteric Enneagram describes nine motivational structures and the fixations they generate. Icosa describes 20 measurable centers and 80 traps. The deepe…
I Ching
Both the I Ching and the Icosa generate their vocabularies by crossing independent dimensions in a grid. This 12,000-word investigation traces where two sys…
Ifa
Both systems are combinatorial grammars that generate meaning through the crossing of fundamental elements, diagnose specific configurations, and prescribe…
Kabbalah
The Kabbalistic Tree of Life and the Icosa grid share a set of structural intuitions specific enough that coincidence becomes unsatisfying: both identify th…
Ma'at
The Egyptian Book of the Dead lists forty-two moral confessions recited before forty-two divine judges. The Icosa system names eighty self-reinforcing struc…
Tarot
Two systems, separated by six centuries, attempt to map the human psyche. One emerged from Renaissance card games and esoteric tradition. The other from geo…
Wu Xing
Chinese Five Phases (Wu Xing) and the Icosa grid both divide human experience into five territories, track disharmonious feedback loops, and model health as…