fact: Definition M_solutions B f n := M_opair ∅ (M_enc_stack B) ∈ f /\ forall k x y, k ∈ n -> M_opair k x ∈ f -> M_combinations B x y -> M_opair (σ k) y ∈ f.
imports: Undecidability.FOL.ZF Undecidability.FOL.Syntax.Facts Undecidability.FOL.Semantics.Tarski.FullFacts Undecidability.FOL.Sets.ZF Lia Undecidability.PCP(PCP Util.PCP_facts Reductions.PCPb_iff_dPCPb) Undecidability(Shared.ListAutomation)