Proof using.
red. red. intros. simpl in *.
find_apply_hyp_hyp. intuition eauto.
do_in_map. subst. simpl in *.
find_apply_lem_hyp handleAppendEntriesReply_packets.
subst. intuition.
Qed.

Lemma no_append_entries_to_self_request_vote :
raft_net_invariant_request_vote no_append_entries_to_self.