  G.J. Whitrow, then a young lecturer at Christ Church, Oxford, returns to the mathematical theme. Dingle, he argues, “not only attacks the particular methods adopted by contemporary mathematical investigators in relativistic cosmology, but even refuses to admit that this subject is worthy of scientific investigation as it is based not only on experience but also on reason.” Hypotheses, by this light, may originate rationalistically as well as any other way, certainly there is no problem with this.