Every CXU stored in the graph must assign knowledge_type from the set axiom, derived, or prescribed so that each unit is categorized by its epistemic status.

Every CXU stored in the graph follows this structure:

— PYRANA_Internal_Knowledge_Graph_Specification.md

knowledge_type: axiom|derived|prescribed

— PYRANA_Internal_Knowledge_Graph_Specification.md

### 5.2 Knowledge Type Guidelines

— PYRANA_Internal_Knowledge_Graph_Specification.md

| Knowledge Type | When to Use | Approval Workflow | Examples |

— PYRANA_Internal_Knowledge_Graph_Specification.md