]> matita.cs.unibo.it Git - helm.git/history - matita/matita/contribs/lambdadelta/ground_2/etc/ynat_old/ynat_iszero.etc
update in basic_2 and ground_2
[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / etc / ynat_old / ynat_iszero.etc
2014-02-22 Ferruccio Guidiaddition of unused material :)