| st[r0 -- _type] .type = mkarraytype(ty), validref(str, r, ty0, st), validref(str, r1, ty, st), r1 = jvmref → is_reftype(ty) ⊦ r0 = jvmref, validref(str, r, ty0, st[r0 -- i ', refval(r1)]) |
⊦ validref(str, r, ty0, st) ∧ validref(str, r1, ty, st) ∧ mkarraytype(ty) ≤ st[r0 -- _type] .type ∧ r0 ≠ jvmref ∧ is_arraytype(st[r0 -- _type] .type) ∧ (r1 = jvmref → is_reftype(ty)) → validref(str, r, ty0, st[r0 -- i ', refval(r1)])
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkarraytype(ty) ≤ mkarraytype(ty0) ↔ ty ≤ ty0], [CSIMPSEQ : ⊦ ty ≤ ty], [CSIMPSEQ : ⊦ is_arraytype(mkarraytype(ty))])], [EXTRATERMS : (str, r, ty0, st, r1, ty, r0, i)]]