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advances on cofrees allows to prove one direction of
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / cofrees_lift.ma
2014-05-23 Ferruccio Guidiadvances on cofrees allows to prove one direction of
2014-05-10 Ferruccio Guidiadvances on cofrees
2014-04-25 Ferruccio Guidione file was missing ...