Labs / Empty answer · not a yes
Part of the yellow theme method · stage 2
Empty answer · not a yes
A blank-field scorer that marks yes fails. The fix leaves unset; all-five stays false.
Terminal
How to work it
Notice the broken behavior, name the cause, choose the fix that holds, then run the proving check. This is not a cat-and-patch drill.
Simulated shell in the browser (not a full VM). No production network.
Commands: observe · why <letter> · fix <letter> · prove. Stuck? help next.
Related note: /proof/notes/an-empty-answer-is-not-a-yes/ · All labs
Engineering commentary only — not audit, legal, or certification advice. Simulated tokens only.