Proof using.
intros.
unfold update_elections_data_requestVoteReply.
break_match; simpl in *; auto.
Qed.

(* Specifications: *)
Lemma update_elections_data_client_request_leaderLogs :
forall h st client id c,
leaderLogs (update_elections_data_client_request h st client id c) =
leaderLogs (fst st).