Proof using.
unfold raft_net_invariant_request_vote, candidates_vote_for_selves. intros.
unfold handleRequestVote, advanceCurrentTerm in *.
t. exfalso. find_apply_hyp_hyp. congruence.
Qed.

Lemma candidates_vote_for_selves_request_vote_reply :
raft_net_invariant_request_vote_reply candidates_vote_for_selves.