]> matita.cs.unibo.it Git - helm.git/commit
minus in nat.ma
authorAndrea Asperti <andrea.asperti@unibo.it>
Fri, 29 Jan 2010 10:16:48 +0000 (10:16 +0000)
committerAndrea Asperti <andrea.asperti@unibo.it>
Fri, 29 Jan 2010 10:16:48 +0000 (10:16 +0000)
commita79bf6edc13daaea8135ca71fdc92e02e229f030
tree2903def19d8a568042d771f6630e3b2d945aa2d8
parent78be7f337d5bb2753295a329952b0e9b8a15773a
minus in nat.ma
helm/software/matita/nlibrary/arithmetics/nat.ma