| r ≠ jvmref, st ⊆ st1, junkrefs(str, r ' + acc, ty, st1), ∀ str, ty, st1, st. junkrefs(str, acc, ty, st1) ∧ st ⊆ st1 → junkrefs(str, acc, ty, st) ⊦ junkrefs(str, r ' + acc, ty, st) |
junkrefs(str, r ' + acc, ty, st1), st ⊆ st1, ∀ str, ty, st1, st. junkrefs(str, acc, ty, st1) ∧ st ⊆ st1 → junkrefs(str, acc, ty, st) ⊦ r = jvmref, junkrefs(str, r ' + acc, ty, st)
[[CONCRETESIMPRULES : ()]]