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

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