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- extended multiple substitutions now uses bounds in ynat (ie. they
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / relocation / ldrop_leq.ma
2014-01-03 Ferruccio Guidi- extended multiple substitutions now uses bounds in...
2013-12-01 Ferruccio Guidi- improved arithmetics for natural numbers with infinity