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Proof step 5 from proof isarray-put-01 (previous step)

⊦ r = r0, r0 ≠ jvmref ∧ r0 -- _type ∈ st[r -- sk, val] ∧ is_typevalue(st[r -- sk, val][r0 -- _type]) ∧ is_arraytype((st[r -- sk, val][r0 -- _type]) .type) ∧ okarray(r0, (st[r -- sk, val][r0 -- _type]) .type .type, st[r -- sk, val]) ↔ is_array(r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ r ≠ r1 → (okarray(r, ty, st[r1 -- sk, val]) ↔ okarray(r, ty, st))
Proof step 4:
⊦ r = r0, r0 ≠ jvmref ∧ r0 -- _type ∈ st ∧ is_typevalue(st[r0 -- _type]) ∧ is_arraytype(st[r0 -- _type] .type) ∧ okarray(r0, st[r0 -- _type] .type .type, st) ↔ is_array(r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r ≠ r0 → (st[r0 -- sk0, val][r -- sk]) = st[r -- sk]], [CSIMPSEQ : ⊦ r ≠ r0 → ( r -- sk ∈ st[r0 -- sk0, val] ↔ r -- sk ∈ st)])]]