monotone(f), ∀ x. f(λ x. μ(f)(x) ∧ φ(x))(x) → φ(x) ⊦ ∀ x. μ(f)(x) → φ(x)
∀ x. μ(f)(x) → φ(x), monotone(f), μ(f)(x), ∀ x. f(λ x. μ(f)(x) ∧ φ(x))(x) → φ(x) ⊦ φ(x)
Used terms: f, φ