Proof using.
unfold raft_net_invariant_request_vote_reply.
intros. find_apply_lem_hyp handleRequestVoteReply_spec.
intuition eauto using no_entries_past_current_term_unaffected_0.
Qed.

Lemma no_entries_past_current_term_state_same_packet_subset :
raft_net_invariant_state_same_packet_subset no_entries_past_current_term.