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Proof step 12 from proof exactarray-in (previous step)

0 < st[r -- _length] .intval, exactarray(refval(r), ty, st[r -- _length] .intval, st), i < st[r -- _length] .intval, 0 ≤ i ⊦ r = jvmref, r -- i ' ∈ st

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ exactarray(val, ty, i, st) ↔ exactreftype(val, mkarraytype(ty), st) ∧ val .refval ≠ jvmref ∧ (val .refval -- _length) × intval(i) ∈ st ∧ is_arrayref(val .refval, i, st)
Proof step 11:
0 < st[r -- _length] .intval, exactreftype(refval(r), mkarraytype(ty), st) ∧ refval(r) .refval ≠ jvmref ∧ (refval(r) .refval -- _length) × intval(st[r -- _length] .intval) ∈ st ∧ is_arrayref(refval(r) .refval, st[r -- _length] .intval, st), i < st[r -- _length] .intval, 0 ≤ i ⊦ r = jvmref, r -- i ' ∈ st

Rule argument

[crewrite-arg: exactarray-01 , F , [st, i, ty, val] → [st, st[r -- _length] .intval, ty, refval(r)] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, st[r -- _length] .intval, ty, refval(r))]]