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Proof step 12 from proof ac-refs (previous step)

sk .fs = mkfs(class0, ty, fieldvar), ∀ class, st. addclass(class, fis0, st) .refs = st .refs ++ jvmref ⊦ addclass(class, (sk × val) ' + fis0, st) .refs = st .refs ++ jvmref, ¬ is_indexkey(sk) ∧ class0 ≠ class

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 4:
⊦ is_indexkey(fv .1) → addclass(class, fv ' + fis, st) = addclass(class, fis, st)
Proof step 9:
¬ is_indexkey((sk × val) .1), sk .fs = mkfs(class0, ty, fieldvar), ∀ class, st. addclass(class, fis0, st) .refs = st .refs ++ jvmref ⊦ addclass(class, (sk × val) ' + fis0, st) .refs = st .refs ++ jvmref, ¬ is_indexkey(sk) ∧ class0 ≠ class
Proof step 11:
is_indexkey((sk × val) .1), sk .fs = mkfs(class0, ty, fieldvar), ∀ class, st. addclass(class, fis0, st) .refs = st .refs ++ jvmref ⊦ addclass(class, fis0, st) .refs = st .refs ++ jvmref, ¬ is_indexkey(sk) ∧ class0 ≠ class

Rule argument

[crewrite-arg: ac-no2 , F , [st, fis, fv, class] → [st, fis0, sk × val, class] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, fis0, sk × val, class)]]