| ⊦ is_obj(r, class, sks, st[jvmref -- mkfs(`java.lang.Object' .class, void_type, `mode' .field) ', val]) ↔ is_obj(r, class, sks, st) |
⊦ r ≠ r0 → (is_obj(r, class, sks, st[r0 -- sk, val]) ↔ is_obj(r, class, sks, st))
⊦ ¬ is_obj(jvmref, class, sks, st)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ jvmref -- mkfs (`java.lang.Object' .class, void_type, `mode' .field) ' = _mode])], [EXTRATERMS : (val, mkfs (`java.lang.Object' .class, void_type, `mode' .field) ', jvmref, st, sks, class, r)]]