The text provided below is a real gem of sociological theory. To Kant, argues Luhmann's sociological theory base was achieved only in relation to its plausibility, that is, the degree of correspondence and isomorphism that a majority could be observed between the form and proof of the organization of society and the organizational form of theory. This theory would have happened using alternatively three basic resources as axiomatic that, as such, did not require substantiation: a petitio principii, for example, the statement: "there is a community", a metaphor, for example, merging consciousness or intersubjectivity - as in the concept of "collective consciousness" of Durkheim - and finally, the use of a social model known, for example, the contract, to apply to society as a whole, speaking of it as the result of a social contract. But since Kant there is a new possibility of justification given by his famous question "how can we know?" Which asks about the conditions of possibility both of pure knowledge, based on the philosophy and the sciences and practical knowledge, referred morals and customs, as the trial. This new form of questioning, both post-Kantian philosophy influenced, was not yet the same impact in the social sciences in general, continued to use the axiomatic construction mentioned above, with the exception of Georg Simmel, who was the only developed a digression with the title How is society possible?._x000D_
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Intelligence had to wait like Luhmann, accustomed to thinking of the conditions of possibility of social phenomena, so that this precious heritage could theoretically retrain. as noted by Simmel, the Kantian question about the conditions of possibility of knowledge might well be extended in the case of empirical sciences, in their respective fields phenomenal. So the question how can the social order? should be able to show its fecundity in the field of foundations of sociological theory, this is what the text masterfully achieved Luhmann.