Empiricism

I have had a day light on hard labour, and so I have enjoyed reading some connected articles by Carnap, W.V.O.Quine, A.J.Ayer and ..... Roger Scruton. What, you may wonder, connects Scruton to the three champions of Empiricism? Well, Scruton claims that logical empiricism is refuted because its primary tenet, that all meaningful propositions must be ultimately verifiable, is not itself verifiable. Yes Roger, and I suppose the ontological argument is?