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Proof step 14 from proof log-cons-app (previous step)

∀ adr. adr ∈ log1 → adr ∈ fs ∧ node-cons(fs[adr].key, fs[adr]), ∀ adr. adr ∈ log0 → adr ∈ fs ∧ node-cons(fs[adr].key, fs[adr]), adr ∈ log0 ∨ adr ∈ log1 ⊦ adr ∈ fs ∧ node-cons(fs[adr].key, fs[adr])

User applied rule case distinction

And obtained the following new goals

Rule argument

pos: left 3

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