His work aims to express the fundamental laws of the rational processing of data in the service of human activities.
[1] The Warnier method combines two disciplines: one scientific, by a rigorous application of mathematical logic; the other humanist, by the organization of a harmonious collaboration between the respective aptitudes of man and automata.
This method applies to different areas such as: expression of needs, Systems design, programming, Computer production, organization of the company.
His discipline of reasoning, applied to the resolution of concrete problems, rests on three simple principles: The data of a system constitute a "set" whose study is conducted by hierarchical subdivision.
The sections to be used for the treatment are determined by the study of the outputs (results requested).