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Proof step 9 from proof unchNorec-def-keep (previous step)

st[r -- _type] = st0[r -- _type], is_classtype(st0[r -- _type] .type) → (∀ fs. fs ' ∈ instfields(st0[r -- _type] .type .class) → st[r -- fs '] = st0[r -- fs ']), is_arraytype(st0[r -- _type] .type) → st[r -- _length] = st0[r -- _length] ∧ (∀ i0. ¬ i0 < 0 ∧ ¬ st[r -- _length] .intval ≤ i0 → st[r -- i0 '] = st0[r -- i0 ']) ⊦ r = jvmref, (is_arraytype(st0[r -- _type] .type) → st[r -- _length] = st0[r -- _length] ∧ (0 ≤ i ∧ i < st[r -- _length] .intval → st[r -- i '] = st0[r -- i '])) ∧ (is_classtype(st0[r -- _type] .type) → (fs ' ∈ instfields(st0[r -- _type] .type .class) → st[r -- fs '] = st0[r -- fs ']))

User applied rule case distinction

And obtained the following new goals

Rule argument

[CASEDARG : pos: right 2, ()]

Additional information

[[CONCRETESIMPRULES : ()]]