an inherence of form in nature that it is affected by its space-time dynamic variations. This requires us to take into our reckoning the fact that the pervasive rational order which we find in the world is multivariable in its modes as well as unitary in its character. There are, then, distinctive forms of rational order in the universe which require for their understanding and articulation distinctive ways of thought and expression, but far from conflicting with one another they involve and combine