]> matita.cs.unibo.it Git - helm.git/history - helm/software/matita/library/algebra/CoRN/SemiGroups.ma
added a (for the moment) dummy field _subst to ProofengineTypes.proof.
[helm.git] / helm / software / matita / library / algebra / CoRN / SemiGroups.ma
2007-01-16 Andrea AspertiSome CoRN files.