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update in ground static_2 basic_2 apps_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / notation / relations / predsubtystrong_3.ma
2021-10-29 Ferruccio Guidiupdate in ground static_2 basic_2 apps_2
2020-04-18 Ferruccio Guidimilestone update in basic_2, update in ground and static_2