Update index.md

events/GILogicWorkshops/index.md

@@ -33,7 +33,7 @@ The tentative program is as follows:
 * Break 2: 14:00 - 14:30: free discussion in zoom
 * Session 4: 14:30 - 16:00 (chair: Sergey Goncharov)
   * 14:30: Colin Rothgang, Theorem Proving in Dependently Typed Higher-Order Logic [slides (if any)](2022/rothgang.pdf) 
-  * 15:00: Jean Jung, TBD [slides (if any)](2022/jung.pdf)
+  * 15:00: Jean Christoph Jung and Frank Wolter, Living without Beth and Craig: Definitions and Interpolants in the Guarded and Two-Variable Fragments [slides (if any)](2022/jung.pdf)
   * 15:30: Hendrik Leidinger, A CDCL-style Algorithm for First-Order Logic with Equality,  [slides (if any)](2022/lange.pdf)