i→n(i) + # vals ≤ i→n(j), 0 ≤ i ⊦ (putArray(vals, r, i, st)[r -- j ']) = st[r -- j ']
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j])]]