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Proof step 38 from proof unchNorec-isarray (previous step)

st[r -- _type] .type = mkarraytype(ty), unchangedNorec(r, st, st0), r -- _type ∈ st, is_typevalue(st[r -- _type]), is_arraytype(st[r -- _type] .type), okarray(r, ty, st), r ∈ st ⊦ r = jvmref, okarray(r, st0[r -- _type] .type .type, st0) ∧ is_arraytype(st0[r -- _type] .type) ∧ is_typevalue(st0[r -- _type]) ∧ r -- _type ∈ st0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 37:
st[r -- _type] .type = mkarraytype(ty), r ∈ st, okarray(r, ty, st), is_typevalue(st[r -- _type]), r -- _type ∈ st, unchangedNorec(r, st, st0) ⊦ r = jvmref, okarray(r, st0[r -- _type] .type .type, st0) ∧ is_arraytype(st0[r -- _type] .type) ∧ is_typevalue(st0[r -- _type]) ∧ r -- _type ∈ st0

Rule argument

[emptyarg]

Additional information

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