Proof using.
red. red. intros. simpl in *.
find_apply_hyp_hyp. intuition eauto.
subst. simpl in *. subst.
find_apply_lem_hyp handleAppendEntries_not_append_entries.
intuition. find_false. repeat eexists; eauto.
Qed.

(* Specifications: *)
Lemma no_append_entries_to_self_append_entries_reply :
raft_net_invariant_append_entries_reply no_append_entries_to_self.