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Proof step 14 from proof reachset-succ (conclusion)

⊦ r ∈ H ∧ H[r] = Node(b, succ) ∧ a ∈ succ → (¬ reachset(succ[a], H) ⊆ reachset(r, H) ↔ false)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
H[r] = Node(b, succ), r ∈ H, a ∈ succ ⊦ reachset(succ[a], H) ⊆ reachset(r, H)

Rule argument

Additional information

[Concretesimprules(())]