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Proof step 30 from proof isarray-put (previous step)

st[r -- _type] .type = mkarraytype(ty0), r -- _type ∈ st, is_typevalue(st[r -- _type]), is_arraytype(st[r -- _type] .type), okarray(r, ty0, st), okval(val, ty), r ∈ st ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, r = jvmref, is_array(r, st[r1 -- mkfs(class, ty, fieldvar) ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 29:
st[r -- _type] .type = mkarraytype(ty0), r ∈ st, okval(val, ty), okarray(r, ty0, st), is_typevalue(st[r -- _type]), r -- _type ∈ st ⊦ r = jvmref, ty = void_type, mkfs(class, ty, fieldvar) ' = _length, is_array(r, st[r1 -- mkfs(class, ty, fieldvar) ', val])

Rule argument

[emptyarg]

Additional information

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