avicenna, being influenced by farabi’s specific terms about the dual concepts of existence and quiddity, believed in external occurrence of existence upon quiddity in the contingents and the accidental synthesis of things from them. but bahmanyar, the self-proclaimed commentator on avicenna, expressly states in al-tahsil that the existence of a thing is the objectivity of its external quiddity ...

This paper examines E.W. Beth’s work in the philosophy of physics, both from a historical and a systematic point of view. Beth saw the philosophy of physics first of all as an opportunity to illustrate and promulgate a new and modern general approach to the philosophy of nature and to philosophy tout court: an approach characterized negatively by its rejection of all traditional metaphysics and...

Hilbert’s program in the philosophy of mathematics comes in two parts. One part is a technical part. To carry out this part of the program one has to prove a certain technical result. The other part of the program is a philosophical part. It is concerned with philosophical questions that are the real aim of the program. To carry out this part one, basically, has to show why the technical part a...