Bücher von E.W. Beth

A few days before his death my husband requested me to write a few words of thanks on the publication of this collection of articles. BETH-PASTOOR IX PREFACE In this republication of a number of philosophical studies I have refrained from including articles of a specialized nature on symbolic logic and the methodology of the exact sciences.

It is common to consider an area of science as a system of real or sup posed truths which not only continuously extends itself, but also needs periodical revision and therefore tests the inventive capacity of each generation of scholars anew.

I wish to thank Mr. Mooij and Mrs. Barth most cordially for the care with which they have acquitted themselves of this delicate task and for the speed with which they have brought it to completion.

One of the controversial philosophical issues of recent years has been the question of the nature of logical and mathematical entities.