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Proof step 8 from proof okarray-addarray (previous step)

n < # vals, is_arrayref(r, n→i(# vals), addarray(r, ty, vals, st)), ¬ n→i(n) < 0 ∧ ¬ n→i(# vals) ≤ n→i(n) → okval(addarray(r, ty, vals, st)[r -- n→i(n) '], ty) ⊦ r = jvmref, vals = [], okval(vals[n], ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
n < # vals, is_arrayref(r, n→i(# vals), addarray(r, ty, vals, st)), okval(addarray(r, ty, vals, st)[r -- n→i(n) '], ty) ⊦ r = jvmref, vals = [], okval(vals[n], ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ m < n → (n ≤ m ↔ false)], [CSIMPSEQ : ⊦ n→i(m) ≤ n→i(n) ↔ m ≤ n], [CSIMPSEQ : ⊦ ¬ n→i(n) < 0])]]