| ∃ refs, r1. ¬ dups(refs) ∧ r1 ∈ refs ∧ refs .first = r ∧ validrefs(str, refs + r1 ', (st[r0 -- fs ', val][r -- _type]) .type, st[r0 -- fs ', val]), is_arraytype(st[r0 -- _type] .type) ⊦ cyclic(str, r, st), fs ' = _type, fs ' = _length, junkref(str, r, st) |
is_arraytype(st[r0 -- _type] .type), r1 ∈ refs, validrefs(str, refs + r1 ', st[refs .first -- _type] .type, st[r0 -- fs ', val]) ⊦ fs ' = _type, fs ' = _length, cyclic(str, refs .first, st), junkref(str, refs .first, st), dups(refs)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk ≠ sk0 → (st[r -- sk, val][r0 -- sk0]) = st[r0 -- sk0]])]]