proposition: Lemma ZF_to_minZF phi : entailment_minZF' (rm_const_fm phi) -> entailment_ZF' phi.
proof: Proof. intros H D M rho H1 H2. apply min_correct; trivial. apply H; trivial. now apply min_axioms'. Qed.
imports: Undecidability.FOL.ZF Undecidability.FOL.Syntax.Facts Undecidability.FOL.Semantics.Tarski.FullFacts Undecidability.FOL.Sets(minZF ZF) Undecidability.FOL.Sets.ZF Undecidability.FOL.Reductions.PCPb_to_ZF Undecidability(Shared.ListAutomation)