Lemma handleAppendEntries_spec : forall h st t n pli plt es ci st' m, handleAppendEntries h st t n pli plt es ci = (st', m) -> (currentTerm st <= currentTerm st' /\ (forall e, In e (log st') -> In e (log st) \/ In e es /\ currentTerm st' = t) /\ ~ is_append_entries m).