F. G. Asenjo is Professor of Mathematics at the University of Pittsburgh.

This is a book of synthesis, a meditation of years based on a long experience, a profound study which much honors the author. ...a fascinating and extremely important piece of work. ...his is a work that grows out of phenomenology, but it also goes far beyond that in its comprehensiveness. The thematic richness of this book is superb...There are many really beautiful discussions.

F. G. Asenjo is Professor of Mathematics at the University of Pittsburgh.

This is a book of synthesis, a meditation of years based on a long experience, a profound study which much honors the author. ...a fascinating and extremely important piece of work. ...his is a work that grows out of phenomenology, but it also goes far beyond that in its comprehensiveness. The thematic richness of this book is superb...There are many really beautiful discussions.

F. G. Asenjo is Professor of Mathematics at the University of Pittsburgh.

This is a book of synthesis, a meditation of years based on a long experience, a profound study which much honors the author. ...a fascinating and extremely important piece of work. ...his is a work that grows out of phenomenology, but it also goes far beyond that in its comprehensiveness. The thematic richness of this book is superb...There are many really beautiful discussions.