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other working theorems + iso_trans axiomatized (proof saved in problems)
[helm.git] / helm / software / matita / contribs / LAMBDA-TYPES / Level-1 / LambdaDelta / iso / props.ma
2006-09-04 Ferruccio Guidiother working theorems + iso_trans axiomatized (proof...
2006-09-04 Ferruccio Guidifirs error: iso/props