]> matita.cs.unibo.it Git - helm.git/history - matita/matita/lib/arithmetics/sigma_pi.ma
restructuring
[helm.git] / matita / matita / lib / arithmetics / sigma_pi.ma
2012-12-17 Andrea Aspertirestructuring
2011-11-16 Claudio Sacerdoti... Non working parts of the library commented out.
2010-12-23 Andrea Aspertiprogress