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1) as usual, I took the reverse notation for composition.
[helm.git] / helm / software / matita / library / datatypes / categories.ma
2008-09-12 Claudio Sacerdoti... 1) as usual, I took the reverse notation for composition.
2008-09-03 Claudio Sacerdoti... Setoids are now more pervasive.
2008-08-25 Claudio Sacerdoti... New categories REL and BP.