| ⊦ r ≠ r0 → (okarray(refval(r), boolean_type, i, addarray(r0, ty0, vals, st)) ↔ okarray(refval(r), boolean_type, i, st)) |
⊦ r = r0, okarray(refval(r), boolean_type, i, addarray(r0, ty0, vals, st)) ↔ okarray(refval(r), boolean_type, i, st)
[[CONCRETESIMPRULES : ()]]