This article relies largely or entirely on a single source. (July 2010)
He is best known for his work in meta-ontology. He coined the phrase "soft ontology" and has authored numerous books such as The Concept of Identity and Dividing Reality. Hirsch received a Ph.D. and M.A. from NYU, and a B.A. from CUNY Brooklyn College. He has written 10 published works.
- Brandeis University faculty guide, retrieved 2010-06-26.
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