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other simplifications.
[helm.git] / matita / contribs / RELATIONAL / datatypes /
2007-05-01 Ferruccio GuidiSubstTactic: bug fix
2007-04-28 Ferruccio GuidiAMBDA-TYPES: some improvements. subst now fully exploited
2007-02-15 Ferruccio Guidicontribs: some improvements
2007-02-15 Ferruccio Guidirefactoring