| ⊦ r = jvmref, validFields(r, fis, addclass(class, fis0, st)) ↔ validFields(r, fis, st) |
⊦ validFields(r, fis, st) ↔ unique_al(fis) ∧ ¬ _type ∈ fis ∧ ¬ _length ∈ fis ∧ hasKeys(r, fis .keys, st)
⊦ r = jvmref, unique_al(fis) ∧ ¬ _type ∈ fis ∧ ¬ _length ∈ fis ∧ hasKeys(r, fis .keys, addclass(class, fis0, st)) ↔ validFields(r, fis, st)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addclass(class, fis0, st), fis, r)]]