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- revision of ground_2 and basic_2
[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / ynat / ynat_plus.ma
2015-03-25 Ferruccio Guidi- revision of ground_2 and basic_2
2014-06-01 Ferruccio Guidi- some refactoring and minor additions
2014-03-10 Ferruccio Guidisome additions ...
2014-01-05 Ferruccio Guidi- new definition of lazy equivalence for local environm...
2014-01-03 Ferruccio Guidimore arithmetics for natural numbers with infinity ...
2013-12-01 Ferruccio Guidi- improved arithmetics for natural numbers with infinity
2013-11-29 Ferruccio Guidiaddition for natural numbers with infinity