1
by Beth, E.W.
Published 1965
Springer Netherlands
Table of Contents: ...I. Introduction -- II. Criticism of Mathematics as Based on Naive Intuition -- III. The Foundations...

2
by Beth, E.W.
Published 1968
Springer Netherlands
Table of Contents: ... (1955) -- IX. Modernism in Science (1961) -- X. Mathematics and Modern Art (1962) -- XI. In Retrospect...