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