Proof using rri tsi.
unfold no_entries_past_current_term_host_lifted.
pose proof deghost_spec.
do 4 intro.
repeat find_reverse_higher_order_rewrite.
eapply lift_prop; eauto.
intros.
find_apply_lem_hyp no_entries_past_current_term_invariant; eauto.
Qed.
(** Succeed iff [x] is in the list [ls], represented with left-associated nested tuples. *)
Ltac inList x ls :=
match ls with
| x => idtac
| (_, x) => idtac
| (?LS, _) => inList x LS
end.
(** Try calling tactic function [f] on every element of tupled list [ls], keeping the first call not to fail. *)
Ltac app f ls :=
match ls with
| (?LS, ?X) => f X || app f LS || fail 1
| _ => f ls
end.
(** Run [f] on every element of [ls], not just the first that doesn't fail. *)
Ltac all f ls :=
match ls with
| (?LS, ?X) => f X; all f LS
| (_, _) => fail 1
| _ => f ls
end.

(* Specifications: *)
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))).