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Proof step 18 from proof ac-refs (previous step)

sk = fs ', is_fskey(sk), ∀ class, st. addclass(class, fis0, st) .refs = st .refs ++ jvmref ⊦ addclass(class, fis0, st) .refs = st .refs ++ jvmref, fs .class = class

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
∀ class, st. addclass(class, fis0, st) .refs = st .refs ++ jvmref ⊦ addclass(class, fis0, st) .refs = st .refs ++ jvmref, fs .class = class

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')])]]