fact: Definition Σbpcp_encode := phi_P ⟑ phi_lt ⟑ phi_eq ⟑ phi_simul ⟑ ∃ £0 ⧓ £0.
imports: List Arith Bool Lia Undecidability.PCP(PCP Util.PCP_facts) Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list utils_nat finite) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.Shared.Libs.DLW.Wf(wf_finite) Undecidability.FOL.TRAKHTENBROT(notations utils bpcp fol_ops fo_sig fo_terms fo_logic fo_sat)