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Proof step 4 from proof unchNorec-field0 (previous step)

¬ (unchangedNorec(r, st, st0) ∧ fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_classtype(st[r -- _type] .type) ∧ r ≠ jvmref), st0[r -- _type] .type = mkclasstype(class), unchangedNorec(r, st, st0), fs ' ∈ instfields(class) ⊦ st0[r -- fs '] = st[r -- fs '], r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
st0[r -- _type] .type = mkclasstype(class), unchangedNorec(r, st, st0), fs ' ∈ instfields(class) ⊦ st0[r -- fs '] = st[r -- fs '], r = jvmref, fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_classtype(st[r -- _type] .type)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]