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Proof step 13 from proof isarray-abstract (previous step)

st[r -- _type] .type = mkarraytype(ty), ty = abstract_type, r -- _type ∈ st, is_typevalue(st[r -- _type]), is_arraytype(st[r -- _type] .type), okarray(r, abstract_type, st), r ∈ st ⊦ st[r -- _length] .intval = 0, r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
st[r -- _type] .type = mkarraytype(abstract_type), r ∈ st, okarray(r, abstract_type, st), is_typevalue(st[r -- _type]), r -- _type ∈ st ⊦ r = jvmref, st[r -- _length] .intval = 0

Rule argument

[emptyarg]

Additional information

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