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Proof step 8 from proof ac-getbar (previous step)

sk = fs ', is_fskey(sk), ∀ r, class, st. r = jvmref ∨ getbytearray(r, addclass(class, fis0, st)) = getbytearray(r, st) ⊦ getbytearray(r, addclass(fs .class, (sk × val) ' + fis0, st)) = getbytearray(r, st), r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
∀ r, class, st. r = jvmref ∨ getbytearray(r, addclass(class, fis0, st)) = getbytearray(r, st) ⊦ getbytearray(r, addclass(fs .class, (fs ' × val) ' + fis0, st)) = getbytearray(r, st), r = jvmref

Rule argument

[emptyarg]

Additional information

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