The pre-Socratic philosophers created the idea of Substance in an attempt to solve the Problem of (Blank)

one and the many?

Explanation:

The pre-Socratic philosophers created the idea of Substance in an attempt to solve the Problem of the one and the many.

.I am not sure though :/

answer; /// i believe that the correct answer is that it lets you see and evaluate different formats as you develop your workbook;