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last problem elegantly resolved!
[helm.git] / helm / software / matita / contribs / LAMBDA-TYPES / Level-1 / LambdaDelta / lift / tlt.ma
2006-09-18 Ferruccio Guidilast problem elegantly resolved!
2006-09-06 Ferruccio Guididependences fixed
2006-09-05 Ferruccio Guidinew theorems