Series: Penn State Logic Seminar

 Date: Tuesday, November 8, 2005

 Time: 2:30 - 3:45 PM

 Place: 106 McAllister Building

 Speaker: Stephen G. Simpson, Penn State, Mathematics

 Title: An Introduction to Degrees of Unsolvability, part 4


   In this talk I shall return to the idea of oracle programs, in
   order to introduce the arithmetical hierarchy over the Baire space.
   After that, I shall begin my discussion of basis theorems and mass