3 adjectives to describe variables

Topological methods in the theory of functions of a complex variable.

First, I was compelled by the process of "changing the independent variable" to examine severely the logic of the Differential Calculus.

Our present enigma as to how a First Cause could itself have been brought into existencehow the tortoise of the fable, that bears the elephant that bears the world, is itself supported,may be wholly due to our necessary mistranslation of the four or more variables of the universe, limited by inherent conditions, into the three unlimited variables of Space and the one of Time.

3 adjectives to describe  variables