The inner lines of the Enneagram symbol are used to show the relationship between steps in a process when used in the Gurdjieff tradition (
The Enneagram as Process). The Enneatypes don't use the Enneagram to understand a process, instead it presents the relationships between nine distinct entities or types.
Are the
inner lines valid for use with the personality types?
I've stated my observations in two blog articles:
Contradictions Between the Triads and the Inner LinesAlternative to the Inner Lines and Tritypes - Tricenters