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Proof step 40 from proof putarray-addarray-override (previous step)

fs ' = _type, is_indexkey(_type), 0 ≤ i, i + n→i(# vals) ≤ n→i(# vals0), _type .index < 0 ∨ n→i(# vals0) ≤ _type .index ⊦ r0 -- _type ∈ st

Heuristic elimination applied rule insert elim lemma

And closed the goal!

Rule argument

[speclemmaarg: ,is_indexkey(sk) → (i = sk .index ↔ sk = i ') ,[sk, i] → [_type, i0] ,T ,storekey , ,elim-04 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ _type ≠ i '], [CSIMPELIM : ⊦ is_indexkey(sk) → (i = sk .index ↔ sk = i ')])], [EXTRATERMS : (_type, i0)]]