Media type: E-Article Title: A Hierarchical Framework for Levels of Reality: Understanding Through Representation Contributor: Salthe, Stanley N. Published: Springer Science and Business Media LLC, 2009 Published in: Axiomathes, 19 (2009) 1, Seite 87-99 Language: English DOI: 10.1007/s10516-008-9056-x ISSN: 1572-8390 Keywords: Philosophy ; Mathematics (miscellaneous) Origination: Footnote: