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Proof step 7 from proof isarray-length-07 (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
st[r -- _type] .type = mkarraytype(ty), r ∈ st, okarray(r, ty, st), is_typevalue(st[r -- _type]), r -- _type ∈ st ⊦ r = jvmref, is_integervalue(st[r -- _length])

Rule argument

[emptyarg]

Additional information

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