This meeting follows the 50th meeting held in Oberwolfach in 1987, organized by M. Boffa and E. Specker in the presence of Quine, and the 60th anniversary meeting in Cambridge in 1997.
The two first papers are concerned with permutation techniques and unstratified formulae.
Next, R. M. Holmes shows a model of type theory wherein all elements are the denotations of closed terms.
In the two following articles, M. Crabbé and S. Tupailo show how to export results arising in NF to standard set theory.
Then, A. Tzouvaras explores different combinatorial techniques in order to reduce the consistency problem of NF.
The cahier ends with a tutorial on Constructive NF by T. E. Forster.