Feminism is a big part of Sociology. Whilst this page will go into great depth, the true art of referring to Feminism is to refer to it both generally and specifically.
Generally, Feminism is a structural theory. Structuralism is an idea based on the assumption that the actions of humans are structured by the social environment.
The next step is understanding that Feminism is a conflict theory, which suggests that there is conflict in society.
Feminism is not the philosophy of proving women are treated badly by men, but rather that there is gender inequality.
There are certain waves of Feminism.