Lemma votes_update_elections_data_request_vote_intro : forall h st t src lli llt st' m h', handleRequestVote h (snd st) t src lli llt = (st', m) -> votedFor st' = Some h' -> currentTerm (snd st) < currentTerm st' \/ votedFor (snd st) = None -> In (currentTerm st', h') (votes (update_elections_data_requestVote h src t src lli llt st)).