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Proof step 18 from proof addobj-addclass-sw (previous step)

⊦ r = jvmref, (sk ∈ fis ∨ sk = _type ∨ r -- sk ∈ addclass(class0, fis0, st) ↔ r -- sk ∈ addclass(class0, fis0, addobj(r, class, fis, st))) ∧ (addobj(r, class, fis, addclass(class0, fis0, st))[r -- sk]) = (addobj(r, class, fis, st)[r -- sk])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
r ≠ jvmref ⊦ r -- sk ∈ addclass(class1, fis, st) ↔ r -- sk ∈ st
Proof step 17:
r ≠ jvmref ⊦ r = jvmref, (sk ∈ fis ∨ sk = _type ∨ r -- sk ∈ addclass(class0, fis0, st) ↔ r -- sk ∈ addobj(r, class, fis, st)) ∧ (addobj(r, class, fis, addclass(class0, fis0, st))[r -- sk]) = (addobj(r, class, fis, st)[r -- sk])

Rule argument

[crewrite-arg: ac-in-03-02 , F , [st, fis, class1, sk, r] → [addobj(r, class, fis, st), fis0, class0, sk, r] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addobj(r, class, fis, st), fis0, class0, sk, r)]]