Since the 1960s, the emerging discipline of metaphilosophy has been burdened by the problem of the philosophical preconditioning of metaphilosophical theories. This issue is addressed through the epistemological framework of perspectivism. It is demonstrated that a profound understanding of perspectivity can positively influence the quality of metaphilosophical research, whose unity is only possible under the idea of a discourse oriented toward cross-perspective integration from the outset. The translation was done with the help of artificial intelligence. A subsequent human revision was done primarily in terms of content. This book is a translation of an original German edition. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation.