Since the middle eighties o f the 20th century Robert Alexy has consistently developed the conception of legal principles. That conception, despite its initial ancillary function in respect of the theory of constitutional rights that he worked on, very soon proved of major importance as its basic theses applied to all norms o f conduct which belong to a legal system and have been defined as principles. There two types o f factors that have decided about the universal nature of this conception. They are (1) the approach that looks at legal principles as optimisation commands which formulate an obligation to carry out a certain state o f affairs to the highest degree in the existing actual and legal circumstances, and (2) the procedur...