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Proof step 2 from proof unchanged-field-lookup-01 (previous step)

is_obj(str, r, st), sk ∈ instfields(st[r -- _type] .type .class), unchanged(str, r, st, st1) ⊦ r = jvmref, st1[r -- sk] = st[r -- sk]

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: unchanged-field-lookup antecedent: succedent: unchanged(str, r, st, st1) ∧ sk ∈ instfields(st[r -- _type] .type .class) ∧ is_obj(str, r, st) ∧ r ≠ jvmref → st[r -- sk] = st1[r -- sk] substlist: [str, r, st, st1, sk] → [str, r, st, st1, sk] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((1, 0, 1)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, r, st, st1, sk)]]