Date:              Tuesday 20 August
Time:              1 p.m.
Venue:           Morven Brown 309, University of NSW (map reference C20: 
(1.7MB)<http://www.facilities.unsw.edu.au/Maps/pdf/kensington.pdf>)





Dr Michaelis Michael (UNSW)


What’s Wrong With “The Most Telling” Argument for Paraconsistent Logic?


Priest and Tanaka (2009) present their “most telling” argument for 
paraconsistent logic: that only paraconsistent logics allow non-trivial 
inconsistent theories. This is a very prevalent argument; occurring as it does 
in the work of many relevant and more generally paraconsistent logicians. 
However this argument can be shown to be unsuccessful. There is a crucial 
ambiguity in the notion of non-triviality. Disambiguated the most telling 
reason for paraconsistent logics is either question-begging or mistaken. This 
highlights an important confusion about the role of logic in our development of 
our theories of the world. Does logic chart good reasoning or our commitments? 
We also consider another abductive argument for paraconsistent logics which 
also is shown to fail.




Dr Michaelis Michael is a senior lecturer in philosophy at the University of 
NSW. His research interests range from human rights, to philosophy of mind, and 
logic. He is currently completing a book manuscript on the conceptual and 
empirical aspects of the theory of natural selection.



Coordinator:
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School of Humanities and Languages



Dr Joanne Faulkner
ARC DECRA Research Fellow
School of Humanities
Faculty of Arts and Social Sciences
Room 338, Morven Brown Building
University of New South Wales
Kensington, NSW 2052
Australia

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Continental Philosophy: http://www.ascp.org.au

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