| is_fskey(sk0), r ∈ st, r -- sk ∈ addclass(sk0 .fs .class, (sk0 × val) ' + fis0, st), ∀ r, sk, class1, st. r -- sk ∈ addclass(class1, fis0, st) ∧ r ∈ st → r = jvmref ∨ r -- sk ∈ st ⊦ r = jvmref, r -- sk ∈ st |
sk0 = fs ', is_fskey(sk0), r ∈ st, r -- sk ∈ addclass(fs .class, (sk0 × val) ' + fis0, st), ∀ r, sk, class1, st. r -- sk ∈ addclass(class1, fis0, st) ∧ r ∈ st → r = jvmref ∨ r -- sk ∈ st ⊦ r = jvmref, r -- sk ∈ st
[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_fskey(sk) → (fs = sk .fs ↔ sk = fs ')])], [EXTRATERMS : (sk0, fs)]]