Space-Perception and the Philosophy of Science. It remains the best defense of the incommensurability thesis that is ordinarily associated with Thomas Kuhn and Paul Feyerabend. However, in what follows, I tackle the issues raised in a recent, but no less challenging, work. Here Heelan takes on Pope John Paul II's 1998 encyclical, Fides et Ratio, by arguing for a liberalization of the Church's philosophical stance toward scientific inquiry.¹" /> A catholic stance toward scientific inquiry for the 21st century - Fuller Steve | sdvig press