| Oostindisch Huis, VOC-zaal | 
| 
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| 10.00-11.00 |  | Constructive set theory - an overview (abstract)(slides) 
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|  |  | Benno van den Berg | 
|  | Coffee-Break |  | 
| 11.30-12.30 |  | Constructive Taxonomy (abstract)(slides) 
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|  |  | Joan Rand Moschovakis | 
|  | Lunch |  | 
| 14.00-15.00 |  | The structure of constructive proofs (abstract)(slides) | 
|  |  | Rosalie Iemhoff | 
|  | 
| Tinbergenzaal, Trippenhuis | 
| 
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| 16.00-18.00 |  | Arend Heyting Lecture | 
|  |  | The Church-Turing Thesis and Relative Recursion (abstract)(slides) 
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|  |  | Yiannis Moschovakis |