: This foundational part covers concepts such as the definition of society, the State, and the law. It explores the origins of universal and Mexican constitutionalism.

: He served as a Magistrate of the Federal Electoral Contentious Tribunal and was later appointed as a member of the Federal Judicial Council (Consejo de la Judicatura Federal) from 1999 until his passing.

: He was a professor by opposition of Constitutional Law, Amparo, and Individual Guarantees at the UNAM Faculty of Law starting in 1976.