- Prize Fellow (to 1971) then Junior Research Fellow, All Souls College (from 1969 to 1978)
 
 
           
       
       
          
          
            
          
          
              
	- (with Bob Hale), The Reason’s Proper Study: Essays towards a neo-Fregean Philosophy of Mathematics (OUP, 2004)
 
	- Saving the Differences (Harvard University Press, 2003)
 
	- Rails to Infinity: Essays on Themes from Wittgenstein’s Philosophical Investigations (Harvard University Press, 2001)
 
	- Truth and Objectivity (Harvard University Press, 1994)
 
	- Realism, Meaning and Truth (Blackwell, 1993)
 
	- Frege’s Conception of Numbers as Objects (Aberdeen University Press, 1983)