| ⊦ (addarray(r, int_type, 1 + 1, st)[r -- 0 ']) = intval(0) |
⊦ addarray(r, ty, i, st) = addarray(r, initial_value(ty), i, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(i)])
⊦ 0 ≤ j ∧ j < i → (addarray(r, val, i, st)[r -- j ']) = val
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ intval(i) = intval(i0) ↔ i = i0], [CSIMPSEQ : ⊦ initial_value(int_type) = intval(0)])]]