Proof using.
intros.
find_apply_lem_hyp handleClientRequest_log.
intuition.
- find_rewrite. auto.
- break_exists. intuition. find_rewrite. intuition.
Qed.

(* Specifications: *)
Lemma prevLog_leader_sublog_client_request :
raft_net_invariant_client_request prevLog_leader_sublog.