Proof using.
unfold refined_raft_net_invariant_request_vote_reply, refined_raft_net_invariant_request_vote_reply'.
intuition eauto.
Qed.

(* Specifications: *)
Lemma refined_raft_net_invariant_do_leader'_weak :
forall net,
refined_raft_net_invariant_do_leader net ->
refined_raft_net_invariant_do_leader' net.