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made executable again
[helm.git] / matita / matita / lib / lambda-delta / reduction / tpr_lift.ma
2011-08-10 Ferruccio Guidilambda-delta must be a contrib
2011-08-08 Ferruccio Guidi- tps_tpr closed! (substitution is a reduction)
2011-08-07 Ferruccio Guidi- cpr is now defined and the cpr_flat propery is proved...