I think that the inconsistency of such a position was the point. It would probably be better phrased as ”… something that has to be caused by cause A” (or possibly just “proof of A”), which is effectively equivalent, but IMO something that someone who would answer yes to the following question could plausibly have claimed to believe (i. e. I wouldn’t be very surprised by the existence of people who are that inconsistent in their beliefs) .
I think that the inconsistency of such a position was the point. It would probably be better phrased as ”… something that has to be caused by cause A” (or possibly just “proof of A”), which is effectively equivalent, but IMO something that someone who would answer yes to the following question could plausibly have claimed to believe (i. e. I wouldn’t be very surprised by the existence of people who are that inconsistent in their beliefs) .