It is typical of Rahner that he nowhere tries to prove Christ’s divinity, or even to argue that if one weighs up the probabilities it is more likely than not that he was divine. He simply takes as his starting point what has been accepted in most Christian churches since the Council of Chalcedon in 451, namely that Christ is ‘truly God and truly man … two natures without confusion, without change, without division, without separation’. Rahner’s question is then not ‘Is this true?’ but instead ‘What