]> matita.cs.unibo.it Git - helm.git/history - matitaB/matita/contribs/library_auto/auto/nat/permutation.ma
made executable again
[helm.git] / matitaB / matita / contribs / library_auto / auto / nat / permutation.ma
2011-02-21 Wilmer Ricciottifork for Matita version B