| acc + refs .last ' = r1 ' + refs, st[r -- i '] = refval(r1), r1 ∈ acc, is_array(str, r, st), st[r -- _type] .type ≤ ty, i < st[r -- _length] .intval, validrefs(str, r1 ' + refs, st[r -- _type] .type .type, st[refs .last -- sk, val]), 0 ≤ i, 0 < st[r -- _length] .intval, st[r1 -- _type] .type ≤ st[r -- _type] .type .type, junkref(str, acc .first, st) ⊦ refs = [], acc = [], sk = _type, refs .last = r, r = jvmref, r1 = jvmref, refs .last = r1, refs .last ∈ acc, validrefs(str, r1 ' + refs, st[r -- _type] .type .type, st), junkref(str, r1, st) |
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r + refs = r ' + refs], [CSIMPSEQ : ⊦ r ' + refs = r0 ' + refs0 ↔ r = r0 ∧ refs = refs0], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (acc, r0, refs0)]]