It is probable that two proposed unknown rations are incommensurable because if many unknown rations are proposed it is most probable that any [one] would be incommensurable to any [other].
Nicole OresmeBut having considered everything which has been said, one could by this believe that the earth and not the heavens is so moved, and there is no evidence to the contrary. Nevertheless, this seems prima facie as much, or more, against natural reason as are all or several articles of our faith. Thus, that which I have said by way of diversion (esbatement) in this manner can be valuable to refute and check those who would impugn our faith by argument.
Nicole Oresme