De Rerum Structura means "About the Structure of Things." Symmetry is a property of structures such as those associated with the cosmos and with the roots of non linear equations.

The book describes how cubic and quadratic roots are organized as symmetrical structures by means of a methodology that is both novel and generic.

The roots are organized as algebraic and geometric structures that can be either partially symmetrical (PSS's) or totally symmetrical (TSS's). PSS's are defined as structures with parts some of which are organized as symmetrical structures and...