This work, with a foreword by Manuel Reus Canals, developed the proposal for a fundamental theology rooted in the theory of communicative action, at the confluence of both the current discussions on the fundamental approach to theology and the results reported in recent decades by the research on the theory of science. Systematic reconstruction of the debate on the theory of science and the theory of the action taking as a starting point leads Wittgenstein's Tractatus, in short, the problem of the possibility of theology as formulated by Walter Benjamin. Develop interdisciplinary contents and subject of political theology, in contrast to continuous human sciences, their own theoretical and practical status is the intention of this writing, perhaps the most ambitious projects undertaken so far by Helmut Peukert. The work has the merit of not reduced to a mere expression of theological method. The author is clear search and discover the scope of the object of theology, to clarify the possibility of theoretical understanding, show the basic principles of theological discourse and report their condition and their content.