| ⊦ ¬ initdone(class, st) → (validstatfields(str, statfields(class), st) ↔ statfields(class) = [] ∨ tdname∃(str, class)) |
⊦ validstatfields(str, statfields(class), st) ↔ statfields(class) = [] ∨ tdname∃(str, class), initdone(class, st)
[[CONCRETESIMPRULES : ()]]