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

Lemma msg_refined_raft_net_invariant_subset'_weak :
forall net,
msg_refined_raft_net_invariant_state_same_packet_subset net ->
msg_refined_raft_net_invariant_state_same_packet_subset' net.