Years ago, prompted by Grize, Apostel and Papert, we undertook the study of functions, but until now we did not properly understand the relations between functions and operations, and their increasing interactions at the level of 'constituted functions'.
The year 1959 has been called The Centennial Year in view of the anniversary of the publication of The Origin of SPecies and the centenary of the births of many who later contributed much to the philosophy of the recent past, such as Samuel Alexander, Henri Bergson, John Dewey and Edmund Husser!
There remains only the obligation to thank those who have helped me with specific suggestions and the editors who have kindly granted permission to reprint material which first appeared in the pages of their journals.
The fourth volume of Boston Studies in the Philosophy of Science consists mainly of papers which were contributed to our Colloquium during the past few years.
In the last 25 years, the concept of information has played a crucial role in communication theory, so much so that the terms information theory and communication theory are sometimes used almost interchangeably.
The broad range of interdisciplinary concerns which are encompassed by the philosophy of science have this much in common: (I) they arise from reflection upon the fundamental concepts, the formal structures, and the methodology of the sciences; (2) they touch upon the characteristically philosophical questions of ontology and epistemology in a unique way, bringing to traditional conceptions the analytic apparatus of modern logic, and the new content and conceptual models of active scientific investigations.
1 In 1954 Karl Popper published an article attempting to show that the identification of the quantitative concept degree of confirmation with the quantitative concept degree of probability is a serious error.
Conceptual change and its connection to the development of new seien- tific theories has reeently beeome an intensively discussed topic in philo- sophieal literature.
This collection of essays deals with three clusters of problems in the philo- sophy of science: scientific method, conceptual models, and ontological underpinnings.
The present selection from the Wissenschaftslehre (Sulzbach 1837) of Bernard Bolzano (1781-1848) aims at giving a compact view of his main ideas in logic, semantics, epistemology and the methodology of science.
Boston Studies in the Philosophy of Science are devoted to symposia, con- gresses, colloquia, monographs and collected papers on the philosophical foundations of the sciences.
As official sponsors of the First International Conference in the History and Philosophy of Science, the two Divisions of the International Union of the History and Philosophy of Science owe a great deal to the University of Jyvliskyla and the 1973 Jyvliskylli Summer Festival for the extra- ordinarily generous hospitality they provided.