| ⊦ r ≠ r0 → addarray(r, ty, vals, addarray(r0, ty0, vals0, st)) = addarray(r0, ty0, vals0, addarray(r, ty, vals, st)) |
⊦ r = r0, addarray(r, ty, vals, addarray(r0, ty0, vals0, st)) = addarray(r0, ty0, vals0, addarray(r, ty, vals, st))
[[CONCRETESIMPRULES : ()]]