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Proof step 11 from proof addclass-union-sw (previous step)

¬ rk ∈ addclass(class0, fis0, st) ⊦ (st ∪ addclass(class0, fis0, st))[rk] = (addclass(class0, fis0, st)[rk]), jvmref ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
⊦ st[rk] = noval, jvmref ∈ st, rk ∈ addclass(class0, fis0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ∅[rk] = noval], [CSIMPSEQ : ⊦ ¬ rk ∈ st → st[rk] = ∅[rk]], [CSIMPSEQ : ⊦ ¬ rk ∈ st0 → (st ∪ st0)[rk] = st[rk]])]]