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Proof step 27 from proof nu-is-UN (previous step)

monotone(f), monotone(compl(f)), ∀ S. compl(f)(S) ⊆ S → S(x), ∃ S. S ⊆ f(S) ∧ S(x) ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information