Karl Popper,the famous British historical philosopher,puts forward the theory of falsity-proving standard,which serves as a standard for differentiating the scientific from the non-scientific,has become the philosophical cornerstone in his historical methodology.

This inappropriate transformation dismissed the justified"informal",as well as centered us into the predicament on the justification of logic within argumentation theory.

The understanding and definition of argument has been an important but controversial issue in contemporary argumentation theory.

So this logical thesis tries to focus on a theoretical research on the concept of argument, based on the development of logic and argumentation theory in contemporary era.