| is_fskey(fv .1), ∀ r, class, st. r = jvmref ∨ getbytearray(r, addclass(class, fis0, st)) = getbytearray(r, st) ⊦ r = jvmref, getbytearray(r, addclass(class, fv ' + fis0, st)) = getbytearray(r, st) |
fv = sk × val, is_fskey(sk), ∀ r, class, st. r = jvmref ∨ getbytearray(r, addclass(class, fis0, st)) = getbytearray(r, st) ⊦ r = jvmref, getbytearray(r, addclass(class, fv ' + fis0, st)) = getbytearray(r, st)
[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ sk = fv .1 ∧ val = fv .2 ↔ fv = sk × val])], [EXTRATERMS : (fv, sk, val)]]