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Proof step 14 from proof unchNorec-sym (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
st0[r -- _type] = st[r -- _type], fs ' ∈ instfields(st[r -- _type] .type .class), is_classtype(st[r -- _type] .type), ∀ fs. fs ' ∈ instfields(st[r -- _type] .type .class) → st0[r -- fs '] = st[r -- fs '] ⊦ st[r -- fs '] = st0[r -- fs '], r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_classtype(ty) → ¬ is_arraytype(ty)])]]