Ltac unchanged :=
    red; intros; eapply allEntries_log_matching_unchanged; subst; eauto.

Lemma appendEntries_haveNewEntries_false : forall net p t n pli plt es ci h e, refined_raft_intermediate_reachable net -> In p (nwPackets net) -> pBody p = AppendEntries t n pli plt es ci -> haveNewEntries (snd (nwState net h)) es = false -> In e es -> In e (log (snd (nwState net h))).