Proof using rlmli rmri.
intros.
enough (entries_sorted (mgv_deghost net)) by
(unfold entries_sorted, lifted_entries_sorted, mgv_deghost in *;
simpl in *;
repeat break_match; simpl in *; auto).
apply msg_lift_prop; eauto using entries_sorted_invariant.
Qed.

(* Specifications: *)
Lemma ghost_log_correct_append_entries :
msg_refined_raft_net_invariant_append_entries ghost_log_correct.