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

Lemma msg_refined_raft_net_invariant_request_vote_reply'_weak :
forall net,
msg_refined_raft_net_invariant_request_vote_reply net ->
msg_refined_raft_net_invariant_request_vote_reply' net.