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Proof step 43 from proof okarray-substore (previous step)

st[r -- _type] = typeval(ty1), st[r -- _length] = intval(i), ty1 = mkarraytype(ty0), r ∈ st, 0 ≤ i, r -- _length ∈ st, ty0 ≤ ty, is_typevalue(st[r -- _type]), r -- _type ∈ st, st ⊆ st0, is_arrayref(r, i, st), ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → oktype(st[r -- j '], ty, st) ⊦ r = jvmref, okarray(refval(r), ty, i, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 42:
st[r -- _length] = intval(i), st[r -- _type] = typeval(mkarraytype(ty0)), is_arrayref(r, i, st), st ⊆ st0, r -- _type ∈ st, ty0 ≤ ty, r -- _length ∈ st, 0 ≤ i, r ∈ st, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → oktype(st[r -- j '], ty, st) ⊦ r = jvmref, okarray(refval(r), ty, i, st0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_typevalue(typeval(ty))])]]