| ⊦ newref(r, st) → (junkrefs(str, refs + r ' + refs0, ty, st) ↔ junkrefs(str, refs + r ', ty, st)) |
newref(r, st) ⊦ junkrefs(str, refs + r ' + refs0, ty, st) ↔ junkrefs(str, refs + r ', ty, st), r = jvmref
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ newref(r, st) → r ≠ jvmref])]]