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Proof step 18 from proof ac-in-09 (previous step)

sk = fs ', is_fskey(sk), ∀ r, class1, st. r = jvmref ∨ (r ∈ addclass(class1, fis0, st) ↔ r ∈ st) ⊦ r = jvmref, r ∈ addclass(class1, fis0, st) ↔ r ∈ st, fs .class = class1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
∀ r, class1, st. r = jvmref ∨ (r ∈ addclass(class1, fis0, st) ↔ r ∈ st) ⊦ r = jvmref, r ∈ addclass(class1, fis0, st) ↔ r ∈ st, fs .class = class1

Rule argument

[emptyarg]

Additional information

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