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Proof step 38 from proof addobj-addclass-sw (previous step)

is_fskey(sk) ⊦ jvmref = r, ¬ sk ∈ fis0 ∧ sk ≠ mkfs(class0, void_type, `initstate' .field) ', (jvmref -- sk ∈ addclass(class0, fis0, st) ↔ jvmref -- sk ∈ addclass(class0, fis0, addobj(r, class, fis, st))) ∧ (addclass(class0, fis0, st)[jvmref -- sk]) = (addclass(class0, fis0, addobj(r, class, fis, st))[jvmref -- sk])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 24:
⊦ is_fskey(sk) ↔ (∃ fs. sk = fs ')
Proof step 37:
∃ fs. sk = fs ' ⊦ jvmref = r, ¬ sk ∈ fis0 ∧ sk ≠ mkfs(class0, void_type, `initstate' .field) ', (jvmref -- sk ∈ addclass(class0, fis0, st) ↔ jvmref -- sk ∈ addclass(class0, fis0, addobj(r, class, fis, st))) ∧ (addclass(class0, fis0, st)[jvmref -- sk]) = (addclass(class0, fis0, addobj(r, class, fis, st))[jvmref -- sk])

Rule argument

[speclemmaarg: ,is_fskey(sk) ↔ (∃ fs. sk = fs ') ,[sk] → [sk] ,F ,storekey , ,ex-03 ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk)]]