Proof using.
unfold refined_raft_net_invariant_init, votesWithLog_sorted.
intros. subst. simpl in *. intuition.
Qed.

Lemma votesWithLog_update_elections_data_client_request :
forall me st client id c,
votesWithLog (update_elections_data_client_request me st client id c) =
votesWithLog (fst st).