Proof using.
ctsc_unchanged.
- find_apply_lem_hyp handleAppendEntriesReply_type_term. intuition.
- find_apply_lem_hyp handleAppendEntriesReply_type_term. intuition. right. congruence.
Qed.

Lemma leaderLogs_currentTerm_sanity_candidate_request_vote :
refined_raft_net_invariant_request_vote leaderLogs_currentTerm_sanity_candidate.