This is a preview of subscription content, access via your institution.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Freudenthal, H. Review. Synthese 36, 479–492 (1977). https://doi.org/10.1007/BF00486110
Issue Date:
DOI: https://doi.org/10.1007/BF00486110