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Prod indexed as Dead, that is equal only to itself, instead of Variable that
[helm.git] / matita / matita / lib / lambda / subterms.ma
2011-03-21 Andrea Aspertisn_lambda
2011-03-11 Andrea AspertiImprovements.
2011-03-07 Andrea Aspertisottotermini e confluenza (manca pr_substs).