Principlev1
Measure domain depth by examining both the size of concept
Measure domain depth by examining both the size of concept clusters and the density of connections within them, where high density indicates structural comprehension beyond mere fact accumulation.
Why This Is a Principle
Derives from Encoding Depth Determines Retention (encoding depth determines retention), Schemas as Knowledge Organization Structures (schemas organize knowledge), and Expertise as Domain-Specific Schema Organization (expertise is organized schemas). The principle prescribes using graph metrics to assess understanding quality. It's diagnostic and actionable.