Bolzano’s Universe: Truth, Logic and Metaphysics

A. Betti

Research output: Chapter in Book / Report / Conference proceedingChapterAcademicpeer-review


This chapter has two aims. The first aim is to present an overview of Bolzano's universe from the point of view of his metaphysics and its relationship to logic, relying fundamentally on Bolzano's Wissenschaftslehre. The author's preferred reading of Bolzano is one according to which he is a ‘platonistic nominalist’: a platonist about propositions and a nominalist about properties. Bolzano's nominalistic tendencies are particularly conspicuous in his mereological analyses, which play a major role in every aspect of his philosophy. The author's second aim is to answer the open question of whether in Bolzano there is any ‘ontology of truth’. This chapter argues for a negative answer. Bolzano does not make room for any special object which plays the role of the counterpart of a truth-bearer, or at least his propositions do not connect semantically in a direct way to anything that would count as such a special object.
Original languageEnglish
Title of host publicationCategories of Being
Subtitle of host publicationEssays on Metaphysics and Logic
EditorsL. Haaparanta, H.J. Koskinen
Place of PublicationOxford
PublisherOxford University press
Number of pages24
ISBN (Print) 9780199890576
Publication statusPublished - 2012


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