Proof using.
red. unfold append_entries_leaderLogs. intros.
repeat find_rewrite.
eapply_prop_hyp In In; eauto.
break_exists_exists; intuition; eauto;
repeat find_higher_order_rewrite; update_destruct; subst; rewrite_update;
simpl in *; repeat find_rewrite; auto.
Qed.

(* Specifications: *)
Theorem append_entries_leaderLogs_invariant :
forall net,
refined_raft_intermediate_reachable net ->
append_entries_leaderLogs net.