| r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty) → junkrefs(str, r ' + [], ty, st) ⊦ r = jvmref, junkrefs(str, r ', ty, st) ↔ ¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty |
is_valid_ref(str, r, st), st[r -- _type] .type ≤ ty, junkrefs(str, r ', ty, st) ⊦ r = jvmref
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ refs + [] = refs])]]