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- revision of ground_2 and basic_2
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2015-03-25 Ferruccio Guidi- revision of ground_2 and basic_2
2014-01-03 Ferruccio Guidimore arithmetics for natural numbers with infinity ...
2013-12-28 Ferruccio Guidisome improvements and new lemmas for
2013-12-01 Ferruccio Guidi- improved arithmetics for natural numbers with infinity
2013-11-27 Ferruccio Guidistrict order relation for natural numbers with inifinity
2013-11-26 Ferruccio Guidi- natural numbers with infinity for lambdadelta