Das Unsterblichkeitsproblem: Grundannahmen und Voraussetzungen - Gerda Lier - Google Books

https://books.google.de/books?id=v4EZDAAAQBAJ&pg=PA19&dq

English summary: The validity of five basic assumptions has been investigated, which are usually employed to reject the immortality hypothesis. These principles state that : (1) there is only the physical world, and there is no evidence for the existence…