]> matita.cs.unibo.it Git - helm.git/history - helm/software/matita/library/dama/sandwich.ma
first steps towards decidability of the validity predicate
[helm.git] / helm / software / matita / library / dama / sandwich.ma
2008-11-20 Enrico Tassidama almost ok
2008-11-20 Enrico Tassidama into the library