Thomason, Rich

Most of this material consists of unpublished papers by R.H. Thomason, some co-authored. All archived materials are also available by anonymous ftp from pogo.isp.pitt.edu, Internet address 136.142.135.159. They all reside in the directory /users/ftp/pub/thomason on that machine, or in its subdirectories.

  	As of Feb. 7, 1996. 

	A paper on the role of context in discourse. 	1995. (Co-author, Johanna Moore.) 

	This is a position paper describing (and, to some extent, 	analyzing) difficulties in using empirical methods to test 	theories about discourse, and proposing a simulation-based 	methodology. 1994.  (Co-author, Pamela Jordan.)  

	Develops an action formalism in which certain counterfactual 	conditionals can be defined.  This enables a qualitative 	account of certain utility arguments.  1996.  (Co-author, Jeff 	Horty.)	 	 
  	 The published version of this paper contains errors . 	 

  	Argues that cognitive constraints on semantic representation 	lead to the semantic paradoxes. 1979. 

	Investigates the question of whether there are intentional 	paradoxes, analogous to the semantic paradoxes, but dealing 	with propositions rather than with sentences. 1982.  	 

	A survey chapter dealing with the topic of nonmonotonicity in 	linguistic theory.   

	Discusses an architecture for implementing two-level rules 	(with Gerald Penn).   

Figure for the above paper.

	This is Jerry Hobbs' source Common Lisp code for Tacitus Lite, 	an abductive tool for reasoning with natural language.  See 	the notice at the beginning of the file. 	Contact for this is hobbs@ai.sri.com.