(adr0 ∈ log0 → ¬ adr0 ∈ fs) → new(log0, fs), ∀ adr0. adr0 = adr ∨ adr0 ∈ log0 → ¬ adr0 ∈ fs ⊦ ¬ adr ∈ fs ∧ new(log0, fs)