C.2.3:14.2 - Quick rubric

• No full structure -> F0-F1
• Full structure but mostly placeholder criteria -> F2
• Controlled prose with one stable reading -> F3
• Explicit predicates / invariants -> F4
• Declared executable semantics -> F5
• Hybrid / layered formal obligations -> F6
• Machine-checked proof core -> F7
• Dependent proof-carrying core -> F8
• Higher-equality foundations are essential -> F9