| ⊦ r0 -- sk ∈ putArray(vals, r, 0, addarray(r, ty, n→i(# vals), st)) ↔ r0 -- sk ∈ addarray(r, ty, vals, st) |
⊦ rk ∈ putArray(vals, r, i, st) ↔ rk ∈ st ∨ rk .ref = r ∧ is_indexkey(rk .key) ∧ i ≤ rk .key .index ∧ rk .key .index < i + n→i(# vals)
⊦ r0 -- sk ∈ addarray(r, ty, n→i(# vals), st) ∨ (r0 -- sk) .ref = r ∧ is_indexkey((r0 -- sk) .key) ∧ 0 ≤ (r0 -- sk) .key .index ∧ (r0 -- sk) .key .index < 0 + n→i(# vals) ↔ r0 -- sk ∈ addarray(r, ty, vals, st)
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addarray(r, ty, n→i(# vals), st), 0, r, vals, r0 -- sk)]]