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Proof step 45 from proof isarray-update (previous step)

st[r -- _type] .type = mkarraytype(ty), r -- _type ∈ st, is_typevalue(st[r -- _type]), is_arraytype(st[r -- _type] .type), r ∈ st ⊦ r = r0, okarray(r, ty, update(r0, fis, st)) ↔ okarray(r, ty, st), r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 44:
st[r -- _type] .type = mkarraytype(ty), r ∈ st, is_typevalue(st[r -- _type]), r -- _type ∈ st ⊦ r = jvmref, okarray(r, ty, update(r0, fis, st)) ↔ okarray(r, ty, st), r = r0

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_arraytype(mkarraytype(ty))])]]