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definition of equivalence for local environments,
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / gr2_gr2.ma
2013-11-25 Ferruccio Guidi- xoa: the definitions file now includes the notations...
2013-04-20 Ferruccio Guidi- we are committing just the components before "reducib...